20512995816

素因数分解:

$2^3\times 3^1\times {\mathrm{409}}^1\times {\mathrm{2089751}}^1$

素因数の和:2090169

約数の個数: 32

約数和(自身を含む): 51407899200

約数和(自身を除く): 30894903384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 409, 818, 1227, 1636, 2454, 3272, 4908, 9816, 2089751, 4179502, 6269253, 8359004, 12538506, 16718008, 25077012, 50154024, 854708159, 1709416318, 2564124477, 3418832636, 5128248954, 6837665272, 10256497908, 20512995816]

約数ペア:

[(1, 20512995816), (2, 10256497908), (3, 6837665272), (4, 5128248954), (6, 3418832636), (8, 2564124477), (12, 1709416318), (24, 854708159), (409, 50154024), (818, 25077012), (1227, 16718008), (1636, 12538506), (2454, 8359004), (3272, 6269253), (4908, 4179502), (9816, 2089751)]