20568515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{1019}}^1$

素因数の和:1402

約数の個数: 16

約数和(自身を含む): 27025920

約数和(自身を除く): 6457405

約数列:

[1, 5, 11, 55, 367, 1019, 1835, 4037, 5095, 11209, 20185, 56045, 373973, 1869865, 4113703, 20568515]

約数ペア:

[(1, 20568515), (5, 4113703), (11, 1869865), (55, 373973), (367, 56045), (1019, 20185), (1835, 11209), (4037, 5095)]