20810124

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 56320992

約数和(自身を除く): 35510868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 41, 46, 69, 82, 92, 123, 138, 164, 207, 246, 276, 369, 414, 492, 613, 738, 828, 943, 1226, 1476, 1839, 1886, 2452, 2829, 3678, 3772, 5517, 5658, 7356, 8487, 11034, 11316, 14099, 16974, 22068, 25133, 28198, 33948, 42297, 50266, 56396, 75399, 84594, 100532, 126891, 150798, 169188, 226197, 253782, 301596, 452394, 507564, 578059, 904788, 1156118, 1734177, 2312236, 3468354, 5202531, 6936708, 10405062, 20810124]

約数ペア:

[(1, 20810124), (2, 10405062), (3, 6936708), (4, 5202531), (6, 3468354), (9, 2312236), (12, 1734177), (18, 1156118), (23, 904788), (36, 578059), (41, 507564), (46, 452394), (69, 301596), (82, 253782), (92, 226197), (123, 169188), (138, 150798), (164, 126891), (207, 100532), (246, 84594), (276, 75399), (369, 56396), (414, 50266), (492, 42297), (613, 33948), (738, 28198), (828, 25133), (943, 22068), (1226, 16974), (1476, 14099), (1839, 11316), (1886, 11034), (2452, 8487), (2829, 7356), (3678, 5658), (3772, 5517)]