20504510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3847}}^1$

素因数の和:3908

約数の個数: 32

約数和(自身を含む): 40727232

約数和(自身を除く): 20222722

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 3847, 5330, 7694, 19235, 38470, 50011, 100022, 157727, 250055, 315454, 500110, 788635, 1577270, 2050451, 4100902, 10252255, 20504510]

約数ペア:

[(1, 20504510), (2, 10252255), (5, 4100902), (10, 2050451), (13, 1577270), (26, 788635), (41, 500110), (65, 315454), (82, 250055), (130, 157727), (205, 100022), (410, 50011), (533, 38470), (1066, 19235), (2665, 7694), (3847, 5330)]