20120884574

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1\times {\mathrm{1231}}^1$

素因数の和:1713

約数の個数: 64

約数和(自身を含む): 36106076160

約数和(自身を除く): 15985191586

約数列:

[1, 2, 7, 14, 29, 58, 127, 203, 254, 317, 406, 634, 889, 1231, 1778, 2219, 2462, 3683, 4438, 7366, 8617, 9193, 17234, 18386, 25781, 35699, 40259, 51562, 64351, 71398, 80518, 128702, 156337, 249893, 281813, 312674, 390227, 499786, 563626, 780454, 1094359, 1167511, 2188718, 2335022, 2731589, 4533773, 5463178, 8172577, 9067546, 11316583, 16345154, 22633166, 31736411, 49558829, 63472822, 79216081, 99117658, 158432162, 346911803, 693823606, 1437206041, 2874412082, 10060442287, 20120884574]

約数ペア:

[(1, 20120884574), (2, 10060442287), (7, 2874412082), (14, 1437206041), (29, 693823606), (58, 346911803), (127, 158432162), (203, 99117658), (254, 79216081), (317, 63472822), (406, 49558829), (634, 31736411), (889, 22633166), (1231, 16345154), (1778, 11316583), (2219, 9067546), (2462, 8172577), (3683, 5463178), (4438, 4533773), (7366, 2731589), (8617, 2335022), (9193, 2188718), (17234, 1167511), (18386, 1094359), (25781, 780454), (35699, 563626), (40259, 499786), (51562, 390227), (64351, 312674), (71398, 281813), (80518, 249893), (128702, 156337)]