20559623

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:698

約数の個数: 16

約数和(自身を含む): 24194880

約数和(自身を除く): 3635257

約数列:

[1, 7, 61, 89, 427, 541, 623, 3787, 5429, 33001, 38003, 48149, 231007, 337043, 2937089, 20559623]

約数ペア:

[(1, 20559623), (7, 2937089), (61, 337043), (89, 231007), (427, 48149), (541, 38003), (623, 33001), (3787, 5429)]