20853960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173783}}^1$

素因数の和:173797

約数の個数: 32

約数和(自身を含む): 62562240

約数和(自身を除く): 41708280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173783, 347566, 521349, 695132, 868915, 1042698, 1390264, 1737830, 2085396, 2606745, 3475660, 4170792, 5213490, 6951320, 10426980, 20853960]

約数ペア:

[(1, 20853960), (2, 10426980), (3, 6951320), (4, 5213490), (5, 4170792), (6, 3475660), (8, 2606745), (10, 2085396), (12, 1737830), (15, 1390264), (20, 1042698), (24, 868915), (30, 695132), (40, 521349), (60, 347566), (120, 173783)]