20756664

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15173}}^1$

素因数の和:15204

約数の個数: 48

約数和(自身を含む): 59178600

約数和(自身を除く): 38421936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15173, 30346, 45519, 60692, 91038, 121384, 136557, 182076, 273114, 288287, 364152, 546228, 576574, 864861, 1092456, 1153148, 1729722, 2306296, 2594583, 3459444, 5189166, 6918888, 10378332, 20756664]

約数ペア:

[(1, 20756664), (2, 10378332), (3, 6918888), (4, 5189166), (6, 3459444), (8, 2594583), (9, 2306296), (12, 1729722), (18, 1153148), (19, 1092456), (24, 864861), (36, 576574), (38, 546228), (57, 364152), (72, 288287), (76, 273114), (114, 182076), (152, 136557), (171, 121384), (228, 91038), (342, 60692), (456, 45519), (684, 30346), (1368, 15173)]