22152920

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1063}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 49986720

約数和(自身を除く): 27833800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 1063, 2084, 2126, 2605, 4168, 4252, 5210, 5315, 8504, 10420, 10630, 20840, 21260, 42520, 553823, 1107646, 2215292, 2769115, 4430584, 5538230, 11076460, 22152920]

約数ペア:

[(1, 22152920), (2, 11076460), (4, 5538230), (5, 4430584), (8, 2769115), (10, 2215292), (20, 1107646), (40, 553823), (521, 42520), (1042, 21260), (1063, 20840), (2084, 10630), (2126, 10420), (2605, 8504), (4168, 5315), (4252, 5210)]