20695809

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 28103040

約数和(自身を除く): 7407231

約数列:

[1, 3, 101, 167, 303, 409, 501, 1227, 16867, 41309, 50601, 68303, 123927, 204909, 6898603, 20695809]

約数ペア:

[(1, 20695809), (3, 6898603), (101, 204909), (167, 123927), (303, 68303), (409, 50601), (501, 41309), (1227, 16867)]