20177937

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57487}}^1$

素因数の和:57509

約数の個数: 16

約数和(自身を含む): 32193280

約数和(自身を除く): 12015343

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57487, 172461, 517383, 747331, 1552149, 2241993, 6725979, 20177937]

約数ペア:

[(1, 20177937), (3, 6725979), (9, 2241993), (13, 1552149), (27, 747331), (39, 517383), (117, 172461), (351, 57487)]