20474072

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{6079}}^1$

素因数の和:6506

約数の個数: 16

約数和(自身を含む): 38486400

約数和(自身を除く): 18012328

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 6079, 12158, 24316, 48632, 2559259, 5118518, 10237036, 20474072]

約数ペア:

[(1, 20474072), (2, 10237036), (4, 5118518), (8, 2559259), (421, 48632), (842, 24316), (1684, 12158), (3368, 6079)]