20280012

素因数分解:

$2^2\times 3^1\times {\mathrm{809}}^1\times {\mathrm{2089}}^1$

素因数の和:2905

約数の個数: 24

約数和(自身を含む): 47401200

約数和(自身を除く): 27121188

約数列:

[1, 2, 3, 4, 6, 12, 809, 1618, 2089, 2427, 3236, 4178, 4854, 6267, 8356, 9708, 12534, 25068, 1690001, 3380002, 5070003, 6760004, 10140006, 20280012]

約数ペア:

[(1, 20280012), (2, 10140006), (3, 6760004), (4, 5070003), (6, 3380002), (12, 1690001), (809, 25068), (1618, 12534), (2089, 9708), (2427, 8356), (3236, 6267), (4178, 4854)]