15199820

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1663}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 32008704

約数和(自身を除く): 16808884

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1663, 1828, 2285, 3326, 4570, 6652, 8315, 9140, 16630, 33260, 759991, 1519982, 3039964, 3799955, 7599910, 15199820]

約数ペア:

[(1, 15199820), (2, 7599910), (4, 3799955), (5, 3039964), (10, 1519982), (20, 759991), (457, 33260), (914, 16630), (1663, 9140), (1828, 8315), (2285, 6652), (3326, 4570)]