20174745850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{811861}}^1$

素因数の和:811951

約数の個数: 48

約数和(自身を含む): 43489823616

約数和(自身を除く): 23315077766

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 497, 710, 994, 1775, 2485, 3550, 4970, 12425, 24850, 811861, 1623722, 4059305, 5683027, 8118610, 11366054, 20296525, 28415135, 40593050, 56830270, 57642131, 115284262, 142075675, 284151350, 288210655, 403494917, 576421310, 806989834, 1441053275, 2017474585, 2882106550, 4034949170, 10087372925, 20174745850]

約数ペア:

[(1, 20174745850), (2, 10087372925), (5, 4034949170), (7, 2882106550), (10, 2017474585), (14, 1441053275), (25, 806989834), (35, 576421310), (50, 403494917), (70, 288210655), (71, 284151350), (142, 142075675), (175, 115284262), (350, 57642131), (355, 56830270), (497, 40593050), (710, 28415135), (994, 20296525), (1775, 11366054), (2485, 8118610), (3550, 5683027), (4970, 4059305), (12425, 1623722), (24850, 811861)]