20496465

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 19130031

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 47, 55, 99, 141, 165, 235, 423, 495, 517, 705, 881, 1551, 2115, 2585, 2643, 4405, 4653, 7755, 7929, 9691, 13215, 23265, 29073, 39645, 41407, 48455, 87219, 124221, 145365, 207035, 372663, 436095, 455477, 621105, 1366431, 1863315, 2277385, 4099293, 6832155, 20496465]

約数ペア:

[(1, 20496465), (3, 6832155), (5, 4099293), (9, 2277385), (11, 1863315), (15, 1366431), (33, 621105), (45, 455477), (47, 436095), (55, 372663), (99, 207035), (141, 145365), (165, 124221), (235, 87219), (423, 48455), (495, 41407), (517, 39645), (705, 29073), (881, 23265), (1551, 13215), (2115, 9691), (2585, 7929), (2643, 7755), (4405, 4653)]