207929860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{253573}}^1$

素因数の和:253623

約数の個数: 24

約数和(自身を含む): 447304536

約数和(自身を除く): 239374676

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 253573, 507146, 1014292, 1267865, 2535730, 5071460, 10396493, 20792986, 41585972, 51982465, 103964930, 207929860]

約数ペア:

[(1, 207929860), (2, 103964930), (4, 51982465), (5, 41585972), (10, 20792986), (20, 10396493), (41, 5071460), (82, 2535730), (164, 1267865), (205, 1014292), (410, 507146), (820, 253573)]