20715656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11717}}^1$

素因数の和:11753

約数の個数: 32

約数和(自身を含む): 44294040

約数和(自身を除く): 23578384

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11717, 23434, 46868, 93736, 152321, 199189, 304642, 398378, 609284, 796756, 1218568, 1593512, 2589457, 5178914, 10357828, 20715656]

約数ペア:

[(1, 20715656), (2, 10357828), (4, 5178914), (8, 2589457), (13, 1593512), (17, 1218568), (26, 796756), (34, 609284), (52, 398378), (68, 304642), (104, 199189), (136, 152321), (221, 93736), (442, 46868), (884, 23434), (1768, 11717)]