16111420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61967}}^1$

素因数の和:61989

約数の個数: 24

約数和(自身を含む): 36437184

約数和(自身を除く): 20325764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 61967, 123934, 247868, 309835, 619670, 805571, 1239340, 1611142, 3222284, 4027855, 8055710, 16111420]

約数ペア:

[(1, 16111420), (2, 8055710), (4, 4027855), (5, 3222284), (10, 1611142), (13, 1239340), (20, 805571), (26, 619670), (52, 309835), (65, 247868), (130, 123934), (260, 61967)]