20154077982

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{491}}^1\times {\mathrm{20921}}^1$

素因数の和:21529

約数の個数: 48

約数和(自身を含む): 44159646960

約数和(自身を除く): 24005568978

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 491, 654, 981, 982, 1473, 1962, 2946, 4419, 8838, 20921, 41842, 53519, 62763, 107038, 125526, 160557, 188289, 321114, 376578, 481671, 963342, 2280389, 4560778, 6841167, 10272211, 13682334, 20523501, 20544422, 30816633, 41047002, 61633266, 92449899, 184899798, 1119670999, 2239341998, 3359012997, 6718025994, 10077038991, 20154077982]

約数ペア:

[(1, 20154077982), (2, 10077038991), (3, 6718025994), (6, 3359012997), (9, 2239341998), (18, 1119670999), (109, 184899798), (218, 92449899), (327, 61633266), (491, 41047002), (654, 30816633), (981, 20544422), (982, 20523501), (1473, 13682334), (1962, 10272211), (2946, 6841167), (4419, 4560778), (8838, 2280389), (20921, 963342), (41842, 481671), (53519, 376578), (62763, 321114), (107038, 188289), (125526, 160557)]