20020923

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13163}}^1$

素因数の和:13195

約数の個数: 18

約数和(自身を含む): 31317156

約数和(自身を除く): 11296233

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13163, 39489, 118467, 171119, 513357, 1540071, 2224547, 6673641, 20020923]

約数ペア:

[(1, 20020923), (3, 6673641), (9, 2224547), (13, 1540071), (39, 513357), (117, 171119), (169, 118467), (507, 39489), (1521, 13163)]