20453830

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3181}}^1$

素因数の和:3831

約数の個数: 16

約数和(自身を含む): 36885744

約数和(自身を除く): 16431914

約数列:

[1, 2, 5, 10, 643, 1286, 3181, 3215, 6362, 6430, 15905, 31810, 2045383, 4090766, 10226915, 20453830]

約数ペア:

[(1, 20453830), (2, 10226915), (5, 4090766), (10, 2045383), (643, 31810), (1286, 15905), (3181, 6430), (3215, 6362)]