20403416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12203}}^1$

素因数の和:12239

約数の個数: 32

約数和(自身を含む): 43934400

約数和(自身を除く): 23530984

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12203, 24406, 48812, 97624, 134233, 231857, 268466, 463714, 536932, 927428, 1073864, 1854856, 2550427, 5100854, 10201708, 20403416]

約数ペア:

[(1, 20403416), (2, 10201708), (4, 5100854), (8, 2550427), (11, 1854856), (19, 1073864), (22, 927428), (38, 536932), (44, 463714), (76, 268466), (88, 231857), (152, 134233), (209, 97624), (418, 48812), (836, 24406), (1672, 12203)]