20447201380

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9554767}}^1$

素因数の和:9554883

約数の個数: 24

約数和(自身を含む): 43340427648

約数和(自身を除く): 22893226268

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9554767, 19109534, 38219068, 47773835, 95547670, 191095340, 1022360069, 2044720138, 4089440276, 5111800345, 10223600690, 20447201380]

約数ペア:

[(1, 20447201380), (2, 10223600690), (4, 5111800345), (5, 4089440276), (10, 2044720138), (20, 1022360069), (107, 191095340), (214, 95547670), (428, 47773835), (535, 38219068), (1070, 19109534), (2140, 9554767)]