20404700932

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{6469}}^1$

素因数の和:6535

約数の個数: 144

約数和(自身を含む): 48188560000

約数和(自身を除く): 27783859068

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 121, 133, 154, 196, 209, 242, 266, 308, 343, 418, 484, 532, 539, 686, 836, 847, 931, 1078, 1372, 1463, 1694, 1862, 2156, 2299, 2926, 3388, 3724, 3773, 4598, 5852, 5929, 6469, 6517, 7546, 9196, 10241, 11858, 12938, 13034, 15092, 16093, 20482, 23716, 25876, 26068, 32186, 40964, 41503, 45283, 64372, 71159, 71687, 83006, 90566, 112651, 122911, 142318, 143374, 166012, 181132, 225302, 245822, 284636, 286748, 316981, 450604, 491644, 498113, 633962, 782749, 788557, 860377, 996226, 1267924, 1352021, 1565498, 1577114, 1720754, 1992452, 2218867, 2704042, 3130996, 3154228, 3441508, 3486791, 4437734, 5408084, 5479243, 6022639, 6973582, 8875468, 9464147, 10958486, 12045278, 13947164, 14872231, 18928294, 21916972, 24090556, 24407537, 29744462, 37856588, 38354701, 42158473, 48815074, 59488924, 66249029, 76709402, 84316946, 97630148, 104105617, 132498058, 153418804, 168633892, 208211234, 264996116, 268482907, 416422468, 463743203, 536965814, 728739319, 927486406, 1073931628, 1457478638, 1854972812, 2914957276, 5101175233, 10202350466, 20404700932]

約数ペア:

[(1, 20404700932), (2, 10202350466), (4, 5101175233), (7, 2914957276), (11, 1854972812), (14, 1457478638), (19, 1073931628), (22, 927486406), (28, 728739319), (38, 536965814), (44, 463743203), (49, 416422468), (76, 268482907), (77, 264996116), (98, 208211234), (121, 168633892), (133, 153418804), (154, 132498058), (196, 104105617), (209, 97630148), (242, 84316946), (266, 76709402), (308, 66249029), (343, 59488924), (418, 48815074), (484, 42158473), (532, 38354701), (539, 37856588), (686, 29744462), (836, 24407537), (847, 24090556), (931, 21916972), (1078, 18928294), (1372, 14872231), (1463, 13947164), (1694, 12045278), (1862, 10958486), (2156, 9464147), (2299, 8875468), (2926, 6973582), (3388, 6022639), (3724, 5479243), (3773, 5408084), (4598, 4437734), (5852, 3486791), (5929, 3441508), (6469, 3154228), (6517, 3130996), (7546, 2704042), (9196, 2218867), (10241, 1992452), (11858, 1720754), (12938, 1577114), (13034, 1565498), (15092, 1352021), (16093, 1267924), (20482, 996226), (23716, 860377), (25876, 788557), (26068, 782749), (32186, 633962), (40964, 498113), (41503, 491644), (45283, 450604), (64372, 316981), (71159, 286748), (71687, 284636), (83006, 245822), (90566, 225302), (112651, 181132), (122911, 166012), (142318, 143374)]