20407010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5413}}^1$

素因数の和:5462

約数の個数: 32

約数和(自身を含む): 40929840

約数和(自身を除く): 20522830

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5413, 10826, 27065, 54130, 70369, 140738, 156977, 313954, 351845, 703690, 784885, 1569770, 2040701, 4081402, 10203505, 20407010]

約数ペア:

[(1, 20407010), (2, 10203505), (5, 4081402), (10, 2040701), (13, 1569770), (26, 784885), (29, 703690), (58, 351845), (65, 313954), (130, 156977), (145, 140738), (290, 70369), (377, 54130), (754, 27065), (1885, 10826), (3770, 5413)]