20784426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3373}}^1$

素因数の和:3470

約数の個数: 32

約数和(自身を含む): 45346560

約数和(自身を除く): 24562134

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 3373, 6162, 6746, 10119, 20238, 43849, 87698, 131547, 263094, 266467, 532934, 799401, 1598802, 3464071, 6928142, 10392213, 20784426]

約数ペア:

[(1, 20784426), (2, 10392213), (3, 6928142), (6, 3464071), (13, 1598802), (26, 799401), (39, 532934), (78, 266467), (79, 263094), (158, 131547), (237, 87698), (474, 43849), (1027, 20238), (2054, 10119), (3081, 6746), (3373, 6162)]