20859544

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{153379}}^1$

素因数の和:153402

約数の個数: 16

約数和(自身を含む): 41412600

約数和(自身を除く): 20553056

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 153379, 306758, 613516, 1227032, 2607443, 5214886, 10429772, 20859544]

約数ペア:

[(1, 20859544), (2, 10429772), (4, 5214886), (8, 2607443), (17, 1227032), (34, 613516), (68, 306758), (136, 153379)]