20218030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{787}}^1$

素因数の和:1168

約数の個数: 32

約数和(自身を含む): 41757696

約数和(自身を除く): 21539666

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 367, 734, 787, 1574, 1835, 2569, 3670, 3935, 5138, 5509, 7870, 11018, 12845, 25690, 27545, 55090, 288829, 577658, 1444145, 2021803, 2888290, 4043606, 10109015, 20218030]

約数ペア:

[(1, 20218030), (2, 10109015), (5, 4043606), (7, 2888290), (10, 2021803), (14, 1444145), (35, 577658), (70, 288829), (367, 55090), (734, 27545), (787, 25690), (1574, 12845), (1835, 11018), (2569, 7870), (3670, 5509), (3935, 5138)]