20936751

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:583

約数の個数: 24

約数和(自身を含む): 30981552

約数和(自身を除く): 10044801

約数列:

[1, 3, 11, 33, 121, 137, 363, 411, 421, 1263, 1507, 4521, 4631, 13893, 16577, 49731, 50941, 57677, 152823, 173031, 634447, 1903341, 6978917, 20936751]

約数ペア:

[(1, 20936751), (3, 6978917), (11, 1903341), (33, 634447), (121, 173031), (137, 152823), (363, 57677), (411, 50941), (421, 49731), (1263, 16577), (1507, 13893), (4521, 4631)]