20498030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2843}}^1$

素因数の和:2960

約数の個数: 32

約数和(自身を含む): 42591744

約数和(自身を除く): 22093714

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2843, 3605, 5686, 7210, 14215, 19901, 28430, 39802, 99505, 199010, 292829, 585658, 1464145, 2049803, 2928290, 4099606, 10249015, 20498030]

約数ペア:

[(1, 20498030), (2, 10249015), (5, 4099606), (7, 2928290), (10, 2049803), (14, 1464145), (35, 585658), (70, 292829), (103, 199010), (206, 99505), (515, 39802), (721, 28430), (1030, 19901), (1442, 14215), (2843, 7210), (3605, 5686)]