20291690

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8861}}^1$

素因数の和:9097

約数の個数: 16

約数和(自身を含む): 36688680

約数和(自身を除く): 16396990

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 8861, 17722, 44305, 88610, 2029169, 4058338, 10145845, 20291690]

約数ペア:

[(1, 20291690), (2, 10145845), (5, 4058338), (10, 2029169), (229, 88610), (458, 44305), (1145, 17722), (2290, 8861)]