20736840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172807}}^1$

素因数の和:172821

約数の個数: 32

約数和(自身を含む): 62210880

約数和(自身を除く): 41474040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172807, 345614, 518421, 691228, 864035, 1036842, 1382456, 1728070, 2073684, 2592105, 3456140, 4147368, 5184210, 6912280, 10368420, 20736840]

約数ペア:

[(1, 20736840), (2, 10368420), (3, 6912280), (4, 5184210), (5, 4147368), (6, 3456140), (8, 2592105), (10, 2073684), (12, 1728070), (15, 1382456), (20, 1036842), (24, 864035), (30, 691228), (40, 518421), (60, 345614), (120, 172807)]