20209736

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{821}}^1$

素因数の和:1025

約数の個数: 32

約数和(自身を含む): 40393080

約数和(自身を除く): 20183344

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 181, 362, 724, 821, 1448, 1642, 3077, 3284, 6154, 6568, 12308, 13957, 24616, 27914, 55828, 111656, 148601, 297202, 594404, 1188808, 2526217, 5052434, 10104868, 20209736]

約数ペア:

[(1, 20209736), (2, 10104868), (4, 5052434), (8, 2526217), (17, 1188808), (34, 594404), (68, 297202), (136, 148601), (181, 111656), (362, 55828), (724, 27914), (821, 24616), (1448, 13957), (1642, 12308), (3077, 6568), (3284, 6154)]