20853016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1433}}^1$

素因数の和:1563

約数の個数: 32

約数和(自身を含む): 41815440

約数和(自身を除く): 20962424

約数列:

[1, 2, 4, 8, 17, 34, 68, 107, 136, 214, 428, 856, 1433, 1819, 2866, 3638, 5732, 7276, 11464, 14552, 24361, 48722, 97444, 153331, 194888, 306662, 613324, 1226648, 2606627, 5213254, 10426508, 20853016]

約数ペア:

[(1, 20853016), (2, 10426508), (4, 5213254), (8, 2606627), (17, 1226648), (34, 613324), (68, 306662), (107, 194888), (136, 153331), (214, 97444), (428, 48722), (856, 24361), (1433, 14552), (1819, 11464), (2866, 7276), (3638, 5732)]