20215560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{168463}}^1$

素因数の和:168477

約数の個数: 32

約数和(自身を含む): 60647040

約数和(自身を除く): 40431480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 168463, 336926, 505389, 673852, 842315, 1010778, 1347704, 1684630, 2021556, 2526945, 3369260, 4043112, 5053890, 6738520, 10107780, 20215560]

約数ペア:

[(1, 20215560), (2, 10107780), (3, 6738520), (4, 5053890), (5, 4043112), (6, 3369260), (8, 2526945), (10, 2021556), (12, 1684630), (15, 1347704), (20, 1010778), (24, 842315), (30, 673852), (40, 505389), (60, 336926), (120, 168463)]