20161535090

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2455729}}^1$

素因数の和:2456557

約数の個数: 16

約数和(自身を含む): 36334981080

約数和(自身を除く): 16173445990

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 2455729, 4911458, 12278645, 24557290, 2016153509, 4032307018, 10080767545, 20161535090]

約数ペア:

[(1, 20161535090), (2, 10080767545), (5, 4032307018), (10, 2016153509), (821, 24557290), (1642, 12278645), (4105, 4911458), (8210, 2455729)]