20301985

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1459}}^1$

素因数の和:1509

約数の個数: 24

約数和(自身を含む): 27961920

約数和(自身を除く): 7659935

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 1459, 2783, 7295, 13915, 16049, 33557, 80245, 167785, 176539, 369127, 882695, 1845635, 4060397, 20301985]

約数ペア:

[(1, 20301985), (5, 4060397), (11, 1845635), (23, 882695), (55, 369127), (115, 176539), (121, 167785), (253, 80245), (605, 33557), (1265, 16049), (1459, 13915), (2783, 7295)]