20340452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4091}}^1$

素因数の和:4219

約数の個数: 24

約数和(自身を含む): 39184992

約数和(自身を除く): 18844540

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4091, 4972, 8182, 16364, 45001, 90002, 180004, 462283, 924566, 1849132, 5085113, 10170226, 20340452]

約数ペア:

[(1, 20340452), (2, 10170226), (4, 5085113), (11, 1849132), (22, 924566), (44, 462283), (113, 180004), (226, 90002), (452, 45001), (1243, 16364), (2486, 8182), (4091, 4972)]