20571330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52747}}^1$

素因数の和:52770

約数の個数: 32

約数和(自身を含む): 53169984

約数和(自身を除く): 32598654

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52747, 105494, 158241, 263735, 316482, 527470, 685711, 791205, 1371422, 1582410, 2057133, 3428555, 4114266, 6857110, 10285665, 20571330]

約数ペア:

[(1, 20571330), (2, 10285665), (3, 6857110), (5, 4114266), (6, 3428555), (10, 2057133), (13, 1582410), (15, 1371422), (26, 791205), (30, 685711), (39, 527470), (65, 316482), (78, 263735), (130, 158241), (195, 105494), (390, 52747)]