20522895

素因数分解:

$3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1553}}^1$

素因数の和:2442

約数の個数: 16

約数和(自身を含む): 32895072

約数和(自身を除く): 12372177

約数列:

[1, 3, 5, 15, 881, 1553, 2643, 4405, 4659, 7765, 13215, 23295, 1368193, 4104579, 6840965, 20522895]

約数ペア:

[(1, 20522895), (3, 6840965), (5, 4104579), (15, 1368193), (881, 23295), (1553, 13215), (2643, 7765), (4405, 4659)]