20085910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{421}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 39134592

約数和(自身を除く): 19048682

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 367, 421, 734, 842, 1835, 2105, 3670, 4210, 4771, 5473, 9542, 10946, 23855, 27365, 47710, 54730, 154507, 309014, 772535, 1545070, 2008591, 4017182, 10042955, 20085910]

約数ペア:

[(1, 20085910), (2, 10042955), (5, 4017182), (10, 2008591), (13, 1545070), (26, 772535), (65, 309014), (130, 154507), (367, 54730), (421, 47710), (734, 27365), (842, 23855), (1835, 10946), (2105, 9542), (3670, 5473), (4210, 4771)]