20059420

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3701}}^1$

素因数の和:3981

約数の個数: 24

約数和(自身を含む): 42291648

約数和(自身を除く): 22232228

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 3701, 5420, 7402, 14804, 18505, 37010, 74020, 1002971, 2005942, 4011884, 5014855, 10029710, 20059420]

約数ペア:

[(1, 20059420), (2, 10029710), (4, 5014855), (5, 4011884), (10, 2005942), (20, 1002971), (271, 74020), (542, 37010), (1084, 18505), (1355, 14804), (2710, 7402), (3701, 5420)]