20021013

素因数分解:

$3^5\times {\mathrm{47}}^1\times {\mathrm{1753}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 30645888

約数和(自身を除く): 10624875

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 423, 1269, 1753, 3807, 5259, 11421, 15777, 47331, 82391, 141993, 247173, 425979, 741519, 2224557, 6673671, 20021013]

約数ペア:

[(1, 20021013), (3, 6673671), (9, 2224557), (27, 741519), (47, 425979), (81, 247173), (141, 141993), (243, 82391), (423, 47331), (1269, 15777), (1753, 11421), (3807, 5259)]