20672778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8069}}^1$

素因数の和:8142

約数の個数: 32

約数和(自身を含む): 48032640

約数和(自身を除く): 27359862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 8069, 16138, 24207, 48414, 56483, 112966, 169449, 338898, 492209, 984418, 1476627, 2953254, 3445463, 6890926, 10336389, 20672778]

約数ペア:

[(1, 20672778), (2, 10336389), (3, 6890926), (6, 3445463), (7, 2953254), (14, 1476627), (21, 984418), (42, 492209), (61, 338898), (122, 169449), (183, 112966), (366, 56483), (427, 48414), (854, 24207), (1281, 16138), (2562, 8069)]