20302731

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5333}}^1$

素因数の和:5392

約数の個数: 20

約数和(自身を含む): 30979872

約数和(自身を除く): 10677141

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5333, 15999, 47997, 143991, 250651, 431973, 751953, 2255859, 6767577, 20302731]

約数ペア:

[(1, 20302731), (3, 6767577), (9, 2255859), (27, 751953), (47, 431973), (81, 250651), (141, 143991), (423, 47997), (1269, 15999), (3807, 5333)]