20517809295

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{752809}}^1$

素因数の和:752919

約数の個数: 32

約数和(自身を含む): 34689484800

約数和(自身を除く): 14171675505

約数列:

[1, 3, 5, 15, 23, 69, 79, 115, 237, 345, 395, 1185, 1817, 5451, 9085, 27255, 752809, 2258427, 3764045, 11292135, 17314607, 51943821, 59471911, 86573035, 178415733, 259719105, 297359555, 892078665, 1367853953, 4103561859, 6839269765, 20517809295]

約数ペア:

[(1, 20517809295), (3, 6839269765), (5, 4103561859), (15, 1367853953), (23, 892078665), (69, 297359555), (79, 259719105), (115, 178415733), (237, 86573035), (345, 59471911), (395, 51943821), (1185, 17314607), (1817, 11292135), (5451, 3764045), (9085, 2258427), (27255, 752809)]