20342855889

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{283}}^1\times {\mathrm{4903}}^1$

素因数の和:5379

約数の個数: 40

約数和(自身を含む): 30670832192

約数和(自身を除く): 10327976303

約数列:

[1, 3, 9, 27, 81, 181, 283, 543, 849, 1629, 2547, 4887, 4903, 7641, 14661, 14709, 22923, 44127, 51223, 132381, 153669, 397143, 461007, 887443, 1383021, 1387549, 2662329, 4149063, 4162647, 7986987, 12487941, 23960961, 37463823, 71882883, 112391469, 251146369, 753439107, 2260317321, 6780951963, 20342855889]

約数ペア:

[(1, 20342855889), (3, 6780951963), (9, 2260317321), (27, 753439107), (81, 251146369), (181, 112391469), (283, 71882883), (543, 37463823), (849, 23960961), (1629, 12487941), (2547, 7986987), (4887, 4162647), (4903, 4149063), (7641, 2662329), (14661, 1387549), (14709, 1383021), (22923, 887443), (44127, 461007), (51223, 397143), (132381, 153669)]