20532478

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2\times {\mathrm{89}}^1$

素因数の和:244

約数の個数: 24

約数和(自身を含む): 32685120

約数和(自身を除く): 12152642

約数列:

[1, 2, 31, 61, 62, 89, 122, 178, 1891, 2759, 3721, 3782, 5429, 5518, 7442, 10858, 115351, 168299, 230702, 331169, 336598, 662338, 10266239, 20532478]

約数ペア:

[(1, 20532478), (2, 10266239), (31, 662338), (61, 336598), (62, 331169), (89, 230702), (122, 168299), (178, 115351), (1891, 10858), (2759, 7442), (3721, 5518), (3782, 5429)]