20127848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1879}}^1$

素因数の和:2001

約数の個数: 32

約数和(自身を含む): 41059200

約数和(自身を除く): 20931352

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 1879, 2678, 3758, 5356, 7516, 10712, 15032, 24427, 48854, 97708, 193537, 195416, 387074, 774148, 1548296, 2515981, 5031962, 10063924, 20127848]

約数ペア:

[(1, 20127848), (2, 10063924), (4, 5031962), (8, 2515981), (13, 1548296), (26, 774148), (52, 387074), (103, 195416), (104, 193537), (206, 97708), (412, 48854), (824, 24427), (1339, 15032), (1879, 10712), (2678, 7516), (3758, 5356)]