20075994760

素因数分解:

$2^3\times 5^1\times {\mathrm{62201}}^1\times {\mathrm{8069}}^1$

素因数の和:70281

約数の個数: 32

約数和(自身を含む): 45177312600

約数和(自身を除く): 25101317840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8069, 16138, 32276, 40345, 62201, 64552, 80690, 124402, 161380, 248804, 311005, 322760, 497608, 622010, 1244020, 2488040, 501899869, 1003799738, 2007599476, 2509499345, 4015198952, 5018998690, 10037997380, 20075994760]

約数ペア:

[(1, 20075994760), (2, 10037997380), (4, 5018998690), (5, 4015198952), (8, 2509499345), (10, 2007599476), (20, 1003799738), (40, 501899869), (8069, 2488040), (16138, 1244020), (32276, 622010), (40345, 497608), (62201, 322760), (64552, 311005), (80690, 248804), (124402, 161380)]