22611940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86969}}^1$

素因数の和:86991

約数の個数: 24

約数和(自身を含む): 51138360

約数和(自身を除く): 28526420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 86969, 173938, 347876, 434845, 869690, 1130597, 1739380, 2261194, 4522388, 5652985, 11305970, 22611940]

約数ペア:

[(1, 22611940), (2, 11305970), (4, 5652985), (5, 4522388), (10, 2261194), (13, 1739380), (20, 1130597), (26, 869690), (52, 434845), (65, 347876), (130, 173938), (260, 86969)]