20847384

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{12589}}^1$

素因数の和:12624

約数の個数: 48

約数和(自身を含む): 58921200

約数和(自身を除く): 38073816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 12589, 25178, 37767, 50356, 75534, 100712, 113301, 151068, 226602, 289547, 302136, 453204, 579094, 868641, 906408, 1158188, 1737282, 2316376, 2605923, 3474564, 5211846, 6949128, 10423692, 20847384]

約数ペア:

[(1, 20847384), (2, 10423692), (3, 6949128), (4, 5211846), (6, 3474564), (8, 2605923), (9, 2316376), (12, 1737282), (18, 1158188), (23, 906408), (24, 868641), (36, 579094), (46, 453204), (69, 302136), (72, 289547), (92, 226602), (138, 151068), (184, 113301), (207, 100712), (276, 75534), (414, 50356), (552, 37767), (828, 25178), (1656, 12589)]