20785374

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 46725120

約数和(自身を除く): 25939746

約数列:

[1, 2, 3, 6, 9, 18, 47, 79, 94, 141, 158, 237, 282, 311, 423, 474, 622, 711, 846, 933, 1422, 1866, 2799, 3713, 5598, 7426, 11139, 14617, 22278, 24569, 29234, 33417, 43851, 49138, 66834, 73707, 87702, 131553, 147414, 221121, 263106, 442242, 1154743, 2309486, 3464229, 6928458, 10392687, 20785374]

約数ペア:

[(1, 20785374), (2, 10392687), (3, 6928458), (6, 3464229), (9, 2309486), (18, 1154743), (47, 442242), (79, 263106), (94, 221121), (141, 147414), (158, 131553), (237, 87702), (282, 73707), (311, 66834), (423, 49138), (474, 43851), (622, 33417), (711, 29234), (846, 24569), (933, 22278), (1422, 14617), (1866, 11139), (2799, 7426), (3713, 5598)]