20145746621

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{875027}}^1$

素因数の和:875081

約数の個数: 32

約数和(自身を含む): 28224903168

約数和(自身を除く): 8079156547

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 1001, 1771, 2093, 3289, 23023, 875027, 6125189, 9625297, 11375351, 20125621, 67377079, 79627457, 125128861, 140879347, 221381831, 261633073, 875902027, 1549672817, 1831431511, 2877963803, 20145746621]

約数ペア:

[(1, 20145746621), (7, 2877963803), (11, 1831431511), (13, 1549672817), (23, 875902027), (77, 261633073), (91, 221381831), (143, 140879347), (161, 125128861), (253, 79627457), (299, 67377079), (1001, 20125621), (1771, 11375351), (2093, 9625297), (3289, 6125189), (23023, 875027)]