20420172

素因数分解:

$2^2\times 3^2\times {\mathrm{193}}^1\times {\mathrm{2939}}^1$

素因数の和:3142

約数の個数: 36

約数和(自身を含む): 51902760

約数和(自身を除く): 31482588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 193, 386, 579, 772, 1158, 1737, 2316, 2939, 3474, 5878, 6948, 8817, 11756, 17634, 26451, 35268, 52902, 105804, 567227, 1134454, 1701681, 2268908, 3403362, 5105043, 6806724, 10210086, 20420172]

約数ペア:

[(1, 20420172), (2, 10210086), (3, 6806724), (4, 5105043), (6, 3403362), (9, 2268908), (12, 1701681), (18, 1134454), (36, 567227), (193, 105804), (386, 52902), (579, 35268), (772, 26451), (1158, 17634), (1737, 11756), (2316, 8817), (2939, 6948), (3474, 5878)]