20251385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2287}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 31629312

約数和(自身を除く): 11377927

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2287, 8855, 11435, 16009, 25157, 52601, 80045, 125785, 176099, 263005, 368207, 578611, 880495, 1841035, 2893055, 4050277, 20251385]

約数ペア:

[(1, 20251385), (5, 4050277), (7, 2893055), (11, 1841035), (23, 880495), (35, 578611), (55, 368207), (77, 263005), (115, 176099), (161, 125785), (253, 80045), (385, 52601), (805, 25157), (1265, 16009), (1771, 11435), (2287, 8855)]