20018556

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{8059}}^1$

素因数の和:8095

約数の個数: 48

約数和(自身を含む): 54163200

約数和(自身を除く): 34144644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 8059, 16118, 24177, 32236, 48354, 72531, 96708, 145062, 185357, 217593, 290124, 370714, 435186, 556071, 741428, 870372, 1112142, 1668213, 2224284, 3336426, 5004639, 6672852, 10009278, 20018556]

約数ペア:

[(1, 20018556), (2, 10009278), (3, 6672852), (4, 5004639), (6, 3336426), (9, 2224284), (12, 1668213), (18, 1112142), (23, 870372), (27, 741428), (36, 556071), (46, 435186), (54, 370714), (69, 290124), (92, 217593), (108, 185357), (138, 145062), (207, 96708), (276, 72531), (414, 48354), (621, 32236), (828, 24177), (1242, 16118), (2484, 8059)]