20304680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46147}}^1$

素因数の和:46169

約数の個数: 32

約数和(自身を含む): 49839840

約数和(自身を除く): 29535160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46147, 92294, 184588, 230735, 369176, 461470, 507617, 922940, 1015234, 1845880, 2030468, 2538085, 4060936, 5076170, 10152340, 20304680]

約数ペア:

[(1, 20304680), (2, 10152340), (4, 5076170), (5, 4060936), (8, 2538085), (10, 2030468), (11, 1845880), (20, 1015234), (22, 922940), (40, 507617), (44, 461470), (55, 369176), (88, 230735), (110, 184588), (220, 92294), (440, 46147)]