20142772

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:472

約数の個数: 36

約数和(自身を含む): 38737440

約数和(自身を除く): 18594668

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 169, 332, 338, 359, 676, 718, 1079, 1436, 2158, 4316, 4667, 9334, 14027, 18668, 28054, 29797, 56108, 59594, 60671, 119188, 121342, 242684, 387361, 774722, 1549444, 5035693, 10071386, 20142772]

約数ペア:

[(1, 20142772), (2, 10071386), (4, 5035693), (13, 1549444), (26, 774722), (52, 387361), (83, 242684), (166, 121342), (169, 119188), (332, 60671), (338, 59594), (359, 56108), (676, 29797), (718, 28054), (1079, 18668), (1436, 14027), (2158, 9334), (4316, 4667)]