20120837750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{18371}}^1$

素因数の和:18738

約数の個数: 64

約数和(自身を含む): 40686190272

約数和(自身を除く): 20565352522

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 337, 650, 674, 1625, 1685, 3250, 3370, 4381, 8425, 8762, 16850, 18371, 21905, 36742, 42125, 43810, 84250, 91855, 109525, 183710, 219050, 238823, 459275, 477646, 547625, 918550, 1095250, 1194115, 2296375, 2388230, 4592750, 5970575, 6191027, 11941150, 12382054, 29852875, 30955135, 59705750, 61910270, 80483351, 154775675, 160966702, 309551350, 402416755, 773878375, 804833510, 1547756750, 2012083775, 4024167550, 10060418875, 20120837750]

約数ペア:

[(1, 20120837750), (2, 10060418875), (5, 4024167550), (10, 2012083775), (13, 1547756750), (25, 804833510), (26, 773878375), (50, 402416755), (65, 309551350), (125, 160966702), (130, 154775675), (250, 80483351), (325, 61910270), (337, 59705750), (650, 30955135), (674, 29852875), (1625, 12382054), (1685, 11941150), (3250, 6191027), (3370, 5970575), (4381, 4592750), (8425, 2388230), (8762, 2296375), (16850, 1194115), (18371, 1095250), (21905, 918550), (36742, 547625), (42125, 477646), (43810, 459275), (84250, 238823), (91855, 219050), (109525, 183710)]