20390139

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29423}}^1$

素因数の和:29447

約数の個数: 24

約数和(自身を含む): 36721152

約数和(自身を除く): 16331013

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29423, 88269, 205961, 264807, 323653, 617883, 970959, 1853649, 2265571, 2912877, 6796713, 20390139]

約数ペア:

[(1, 20390139), (3, 6796713), (7, 2912877), (9, 2265571), (11, 1853649), (21, 970959), (33, 617883), (63, 323653), (77, 264807), (99, 205961), (231, 88269), (693, 29423)]