20408870

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 37836288

約数和(自身を除く): 17427418

約数列:

[1, 2, 5, 10, 67, 83, 134, 166, 335, 367, 415, 670, 734, 830, 1835, 3670, 5561, 11122, 24589, 27805, 30461, 49178, 55610, 60922, 122945, 152305, 245890, 304610, 2040887, 4081774, 10204435, 20408870]

約数ペア:

[(1, 20408870), (2, 10204435), (5, 4081774), (10, 2040887), (67, 304610), (83, 245890), (134, 152305), (166, 122945), (335, 60922), (367, 55610), (415, 49178), (670, 30461), (734, 27805), (830, 24589), (1835, 11122), (3670, 5561)]