20708424

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2377}}^1$

素因数の和:2411

約数の個数: 72

約数和(自身を含む): 61673430

約数和(自身を除く): 40965006

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2377, 2904, 4356, 4754, 7131, 8712, 9508, 14262, 19016, 21393, 26147, 28524, 42786, 52294, 57048, 78441, 85572, 104588, 156882, 171144, 209176, 235323, 287617, 313764, 470646, 575234, 627528, 862851, 941292, 1150468, 1725702, 1882584, 2300936, 2588553, 3451404, 5177106, 6902808, 10354212, 20708424]

約数ペア:

[(1, 20708424), (2, 10354212), (3, 6902808), (4, 5177106), (6, 3451404), (8, 2588553), (9, 2300936), (11, 1882584), (12, 1725702), (18, 1150468), (22, 941292), (24, 862851), (33, 627528), (36, 575234), (44, 470646), (66, 313764), (72, 287617), (88, 235323), (99, 209176), (121, 171144), (132, 156882), (198, 104588), (242, 85572), (264, 78441), (363, 57048), (396, 52294), (484, 42786), (726, 28524), (792, 26147), (968, 21393), (1089, 19016), (1452, 14262), (2178, 9508), (2377, 8712), (2904, 7131), (4356, 4754)]