20576704

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7477}}^1$

素因数の和:7532

約数の個数: 28

約数和(自身を含む): 41787064

約数和(自身を除く): 21210360

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7477, 14954, 29908, 59816, 119632, 239264, 321511, 478528, 643022, 1286044, 2572088, 5144176, 10288352, 20576704]

約数ペア:

[(1, 20576704), (2, 10288352), (4, 5144176), (8, 2572088), (16, 1286044), (32, 643022), (43, 478528), (64, 321511), (86, 239264), (172, 119632), (344, 59816), (688, 29908), (1376, 14954), (2752, 7477)]