9709820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15661}}^1$

素因数の和:15701

約数の個数: 24

約数和(自身を含む): 21049728

約数和(自身を除く): 11339908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 15661, 31322, 62644, 78305, 156610, 313220, 485491, 970982, 1941964, 2427455, 4854910, 9709820]

約数ペア:

[(1, 9709820), (2, 4854910), (4, 2427455), (5, 1941964), (10, 970982), (20, 485491), (31, 313220), (62, 156610), (124, 78305), (155, 62644), (310, 31322), (620, 15661)]