20640414

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{202357}}^1$

素因数の和:202379

約数の個数: 16

約数和(自身を含む): 43709328

約数和(自身を除く): 23068914

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 202357, 404714, 607071, 1214142, 3440069, 6880138, 10320207, 20640414]

約数ペア:

[(1, 20640414), (2, 10320207), (3, 6880138), (6, 3440069), (17, 1214142), (34, 607071), (51, 404714), (102, 202357)]