20880451664

素因数分解:

$2^4\times {\mathrm{6959}}^1\times {\mathrm{187531}}^1$

素因数の和:194498

約数の個数: 20

約数和(自身を含む): 40461904320

約数和(自身を除く): 19581452656

約数列:

[1, 2, 4, 8, 16, 6959, 13918, 27836, 55672, 111344, 187531, 375062, 750124, 1500248, 3000496, 1305028229, 2610056458, 5220112916, 10440225832, 20880451664]

約数ペア:

[(1, 20880451664), (2, 10440225832), (4, 5220112916), (8, 2610056458), (16, 1305028229), (6959, 3000496), (13918, 1500248), (27836, 750124), (55672, 375062), (111344, 187531)]