9921980

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1753}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 20921712

約数和(自身を除く): 10999732

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 1753, 2830, 3506, 5660, 7012, 8765, 17530, 35060, 496099, 992198, 1984396, 2480495, 4960990, 9921980]

約数ペア:

[(1, 9921980), (2, 4960990), (4, 2480495), (5, 1984396), (10, 992198), (20, 496099), (283, 35060), (566, 17530), (1132, 8765), (1415, 7012), (1753, 5660), (2830, 3506)]