20976989572

素因数分解:

$2^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 240

約数和(自身を含む): 49804917120

約数和(自身を除く): 28827927548

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 41, 44, 49, 58, 77, 82, 98, 116, 154, 164, 167, 196, 203, 287, 308, 319, 334, 343, 406, 451, 539, 574, 638, 668, 686, 812, 902, 1078, 1148, 1169, 1189, 1276, 1372, 1421, 1804, 1837, 2009, 2156, 2233, 2338, 2378, 2401, 2842, 3157, 3674, 3773, 4018, 4466, 4676, 4756, 4802, 4843, 5684, 6314, 6847, 7348, 7546, 8036, 8183, 8323, 8932, 9604, 9686, 9947, 12628, 12859, 13079, 13694, 14063, 15092, 15631, 16366, 16646, 19372, 19894, 22099, 25718, 26158, 26411, 27388, 28126, 31262, 32732, 33292, 33901, 39788, 44198, 47929, 51436, 52316, 52822, 53273, 56252, 57281, 58261, 62524, 67802, 69629, 75317, 88396, 90013, 91553, 95858, 98441, 105644, 106546, 109417, 114562, 116522, 135604, 139258, 150634, 154693, 180026, 183106, 191716, 196882, 198563, 213092, 218834, 229124, 233044, 237307, 278516, 301268, 309386, 335503, 360052, 366212, 372911, 393764, 397126, 400967, 407827, 437668, 474614, 527219, 618772, 630091, 640871, 671006, 745822, 765919, 794252, 801934, 815654, 949228, 1054438, 1082851, 1260182, 1281742, 1342012, 1389941, 1491644, 1531838, 1603868, 1631308, 1661149, 2108876, 2165702, 2184193, 2348521, 2520364, 2563484, 2610377, 2779882, 2854789, 3063676, 3322298, 3690533, 4331404, 4368386, 4410637, 4486097, 4697042, 5220754, 5559764, 5709578, 6644596, 7381066, 8736772, 8821274, 8972194, 9394084, 9729587, 10441508, 11419156, 11628043, 14762132, 15289351, 16439647, 17642548, 17944388, 18272639, 19459174, 23256086, 25833731, 30578702, 31402679, 32879294, 36545278, 38918348, 46512172, 51667462, 61157404, 62805358, 65758588, 68107109, 73090556, 103334924, 107025457, 125610716, 127908473, 136214218, 180836117, 214050914, 255816946, 272428436, 361672234, 428101828, 476749763, 511633892, 723344468, 749178199, 953499526, 1498356398, 1906999052, 2996712796, 5244247393, 10488494786, 20976989572]

約数ペア:

[(1, 20976989572), (2, 10488494786), (4, 5244247393), (7, 2996712796), (11, 1906999052), (14, 1498356398), (22, 953499526), (28, 749178199), (29, 723344468), (41, 511633892), (44, 476749763), (49, 428101828), (58, 361672234), (77, 272428436), (82, 255816946), (98, 214050914), (116, 180836117), (154, 136214218), (164, 127908473), (167, 125610716), (196, 107025457), (203, 103334924), (287, 73090556), (308, 68107109), (319, 65758588), (334, 62805358), (343, 61157404), (406, 51667462), (451, 46512172), (539, 38918348), (574, 36545278), (638, 32879294), (668, 31402679), (686, 30578702), (812, 25833731), (902, 23256086), (1078, 19459174), (1148, 18272639), (1169, 17944388), (1189, 17642548), (1276, 16439647), (1372, 15289351), (1421, 14762132), (1804, 11628043), (1837, 11419156), (2009, 10441508), (2156, 9729587), (2233, 9394084), (2338, 8972194), (2378, 8821274), (2401, 8736772), (2842, 7381066), (3157, 6644596), (3674, 5709578), (3773, 5559764), (4018, 5220754), (4466, 4697042), (4676, 4486097), (4756, 4410637), (4802, 4368386), (4843, 4331404), (5684, 3690533), (6314, 3322298), (6847, 3063676), (7348, 2854789), (7546, 2779882), (8036, 2610377), (8183, 2563484), (8323, 2520364), (8932, 2348521), (9604, 2184193), (9686, 2165702), (9947, 2108876), (12628, 1661149), (12859, 1631308), (13079, 1603868), (13694, 1531838), (14063, 1491644), (15092, 1389941), (15631, 1342012), (16366, 1281742), (16646, 1260182), (19372, 1082851), (19894, 1054438), (22099, 949228), (25718, 815654), (26158, 801934), (26411, 794252), (27388, 765919), (28126, 745822), (31262, 671006), (32732, 640871), (33292, 630091), (33901, 618772), (39788, 527219), (44198, 474614), (47929, 437668), (51436, 407827), (52316, 400967), (52822, 397126), (53273, 393764), (56252, 372911), (57281, 366212), (58261, 360052), (62524, 335503), (67802, 309386), (69629, 301268), (75317, 278516), (88396, 237307), (90013, 233044), (91553, 229124), (95858, 218834), (98441, 213092), (105644, 198563), (106546, 196882), (109417, 191716), (114562, 183106), (116522, 180026), (135604, 154693), (139258, 150634)]