20635340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8527}}^1$

素因数の和:8558

約数の個数: 36

約数和(自身を含む): 47637408

約数和(自身を除く): 27002068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8527, 17054, 34108, 42635, 85270, 93797, 170540, 187594, 375188, 468985, 937970, 1031767, 1875940, 2063534, 4127068, 5158835, 10317670, 20635340]

約数ペア:

[(1, 20635340), (2, 10317670), (4, 5158835), (5, 4127068), (10, 2063534), (11, 1875940), (20, 1031767), (22, 937970), (44, 468985), (55, 375188), (110, 187594), (121, 170540), (220, 93797), (242, 85270), (484, 42635), (605, 34108), (1210, 17054), (2420, 8527)]