20265220

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{5857}}^1$

素因数の和:6039

約数の個数: 24

約数和(自身を含む): 42810264

約数和(自身を除く): 22545044

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 5857, 11714, 23428, 29285, 58570, 117140, 1013261, 2026522, 4053044, 5066305, 10132610, 20265220]

約数ペア:

[(1, 20265220), (2, 10132610), (4, 5066305), (5, 4053044), (10, 2026522), (20, 1013261), (173, 117140), (346, 58570), (692, 29285), (865, 23428), (1730, 11714), (3460, 5857)]