20464572

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1399}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 30338628

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 53, 69, 92, 106, 138, 159, 212, 276, 318, 636, 1219, 1399, 2438, 2798, 3657, 4197, 4876, 5596, 7314, 8394, 14628, 16788, 32177, 64354, 74147, 96531, 128708, 148294, 193062, 222441, 296588, 386124, 444882, 889764, 1705381, 3410762, 5116143, 6821524, 10232286, 20464572]

約数ペア:

[(1, 20464572), (2, 10232286), (3, 6821524), (4, 5116143), (6, 3410762), (12, 1705381), (23, 889764), (46, 444882), (53, 386124), (69, 296588), (92, 222441), (106, 193062), (138, 148294), (159, 128708), (212, 96531), (276, 74147), (318, 64354), (636, 32177), (1219, 16788), (1399, 14628), (2438, 8394), (2798, 7314), (3657, 5596), (4197, 4876)]