20687402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{2657}}^1$

素因数の和:2905

約数の個数: 16

約数和(自身を含む): 33012360

約数和(自身を除く): 12324958

約数列:

[1, 2, 17, 34, 229, 458, 2657, 3893, 5314, 7786, 45169, 90338, 608453, 1216906, 10343701, 20687402]

約数ペア:

[(1, 20687402), (2, 10343701), (17, 1216906), (34, 608453), (229, 90338), (458, 45169), (2657, 7786), (3893, 5314)]