20138846

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 41223168

約数和(自身を除く): 21084322

約数列:

[1, 2, 7, 13, 14, 17, 23, 26, 34, 46, 91, 119, 161, 182, 221, 238, 283, 299, 322, 391, 442, 566, 598, 782, 1547, 1981, 2093, 2737, 3094, 3679, 3962, 4186, 4811, 5083, 5474, 6509, 7358, 9622, 10166, 13018, 25753, 33677, 35581, 45563, 51506, 62543, 67354, 71162, 84617, 91126, 110653, 125086, 169234, 221306, 437801, 592319, 774571, 875602, 1184638, 1438489, 1549142, 2876978, 10069423, 20138846]

約数ペア:

[(1, 20138846), (2, 10069423), (7, 2876978), (13, 1549142), (14, 1438489), (17, 1184638), (23, 875602), (26, 774571), (34, 592319), (46, 437801), (91, 221306), (119, 169234), (161, 125086), (182, 110653), (221, 91126), (238, 84617), (283, 71162), (299, 67354), (322, 62543), (391, 51506), (442, 45563), (566, 35581), (598, 33677), (782, 25753), (1547, 13018), (1981, 10166), (2093, 9622), (2737, 7358), (3094, 6509), (3679, 5474), (3962, 5083), (4186, 4811)]