13213820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10831}}^1$

素因数の和:10901

約数の個数: 24

約数和(自身を含む): 28206528

約数和(自身を除く): 14992708

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10831, 21662, 43324, 54155, 108310, 216620, 660691, 1321382, 2642764, 3303455, 6606910, 13213820]

約数ペア:

[(1, 13213820), (2, 6606910), (4, 3303455), (5, 2642764), (10, 1321382), (20, 660691), (61, 216620), (122, 108310), (244, 54155), (305, 43324), (610, 21662), (1220, 10831)]