20687260356

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1621}}^1$

素因数の和:1992

約数の個数: 240

約数和(自身を含む): 65680255872

約数和(自身を除く): 44992995516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 81, 84, 102, 108, 119, 126, 153, 162, 189, 204, 238, 252, 306, 324, 331, 357, 378, 459, 476, 567, 612, 662, 714, 756, 918, 993, 1071, 1134, 1324, 1377, 1428, 1621, 1836, 1986, 2142, 2268, 2317, 2754, 2979, 3213, 3242, 3972, 4284, 4634, 4863, 5508, 5627, 5958, 6426, 6484, 6951, 8937, 9268, 9639, 9726, 11254, 11347, 11916, 12852, 13902, 14589, 16881, 17874, 19278, 19452, 20853, 22508, 22694, 26811, 27557, 27804, 29178, 33762, 34041, 35748, 38556, 39389, 41706, 43767, 45388, 50643, 53622, 55114, 58356, 62559, 67524, 68082, 78778, 82671, 83412, 87534, 101286, 102123, 107244, 110228, 118167, 125118, 131301, 136164, 151929, 157556, 165342, 175068, 187677, 192899, 202572, 204246, 236334, 248013, 250236, 262602, 303858, 306369, 330684, 354501, 375354, 385798, 408492, 455787, 472668, 496026, 525204, 536551, 578697, 607716, 612738, 709002, 744039, 750708, 771596, 911574, 919107, 992052, 1063503, 1073102, 1157394, 1225476, 1418004, 1488078, 1609653, 1736091, 1823148, 1838214, 2127006, 2146204, 2232117, 2314788, 2976156, 3190509, 3219306, 3472182, 3676428, 3755857, 4254012, 4464234, 4828959, 5208273, 6381018, 6438612, 6944364, 7511714, 8928468, 9121367, 9657918, 10416546, 11267571, 12762036, 14486877, 15023428, 15624819, 18242734, 19315836, 20833092, 22535142, 27364101, 28973754, 31249638, 33802713, 36485468, 43460631, 45070284, 54728202, 57947508, 62499276, 63849569, 67605426, 82092303, 86921262, 101408139, 109456404, 127699138, 135210852, 164184606, 173842524, 191548707, 202816278, 246276909, 255398276, 304224417, 328369212, 383097414, 405632556, 492553818, 574646121, 608448834, 738830727, 766194828, 985107636, 1149292242, 1216897668, 1477661454, 1723938363, 2298584484, 2955322908, 3447876726, 5171815089, 6895753452, 10343630178, 20687260356]

約数ペア:

[(1, 20687260356), (2, 10343630178), (3, 6895753452), (4, 5171815089), (6, 3447876726), (7, 2955322908), (9, 2298584484), (12, 1723938363), (14, 1477661454), (17, 1216897668), (18, 1149292242), (21, 985107636), (27, 766194828), (28, 738830727), (34, 608448834), (36, 574646121), (42, 492553818), (51, 405632556), (54, 383097414), (63, 328369212), (68, 304224417), (81, 255398276), (84, 246276909), (102, 202816278), (108, 191548707), (119, 173842524), (126, 164184606), (153, 135210852), (162, 127699138), (189, 109456404), (204, 101408139), (238, 86921262), (252, 82092303), (306, 67605426), (324, 63849569), (331, 62499276), (357, 57947508), (378, 54728202), (459, 45070284), (476, 43460631), (567, 36485468), (612, 33802713), (662, 31249638), (714, 28973754), (756, 27364101), (918, 22535142), (993, 20833092), (1071, 19315836), (1134, 18242734), (1324, 15624819), (1377, 15023428), (1428, 14486877), (1621, 12762036), (1836, 11267571), (1986, 10416546), (2142, 9657918), (2268, 9121367), (2317, 8928468), (2754, 7511714), (2979, 6944364), (3213, 6438612), (3242, 6381018), (3972, 5208273), (4284, 4828959), (4634, 4464234), (4863, 4254012), (5508, 3755857), (5627, 3676428), (5958, 3472182), (6426, 3219306), (6484, 3190509), (6951, 2976156), (8937, 2314788), (9268, 2232117), (9639, 2146204), (9726, 2127006), (11254, 1838214), (11347, 1823148), (11916, 1736091), (12852, 1609653), (13902, 1488078), (14589, 1418004), (16881, 1225476), (17874, 1157394), (19278, 1073102), (19452, 1063503), (20853, 992052), (22508, 919107), (22694, 911574), (26811, 771596), (27557, 750708), (27804, 744039), (29178, 709002), (33762, 612738), (34041, 607716), (35748, 578697), (38556, 536551), (39389, 525204), (41706, 496026), (43767, 472668), (45388, 455787), (50643, 408492), (53622, 385798), (55114, 375354), (58356, 354501), (62559, 330684), (67524, 306369), (68082, 303858), (78778, 262602), (82671, 250236), (83412, 248013), (87534, 236334), (101286, 204246), (102123, 202572), (107244, 192899), (110228, 187677), (118167, 175068), (125118, 165342), (131301, 157556), (136164, 151929)]