20649291286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{121123}}^1$

素因数の和:121300

約数の個数: 32

約数和(自身を含む): 34186037760

約数和(自身を除く): 13536746474

約数列:

[1, 2, 13, 26, 79, 83, 158, 166, 1027, 1079, 2054, 2158, 6557, 13114, 85241, 121123, 170482, 242246, 1574599, 3149198, 9568717, 10053209, 19137434, 20106418, 124393321, 130691717, 248786642, 261383434, 794203511, 1588407022, 10324645643, 20649291286]

約数ペア:

[(1, 20649291286), (2, 10324645643), (13, 1588407022), (26, 794203511), (79, 261383434), (83, 248786642), (158, 130691717), (166, 124393321), (1027, 20106418), (1079, 19137434), (2054, 10053209), (2158, 9568717), (6557, 3149198), (13114, 1574599), (85241, 242246), (121123, 170482)]