20113215

素因数分解:

$3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4051}}^1$

素因数の和:4390

約数の個数: 16

約数和(自身を含む): 32286336

約数和(自身を除く): 12173121

約数列:

[1, 3, 5, 15, 331, 993, 1655, 4051, 4965, 12153, 20255, 60765, 1340881, 4022643, 6704405, 20113215]

約数ペア:

[(1, 20113215), (3, 6704405), (5, 4022643), (15, 1340881), (331, 60765), (993, 20255), (1655, 12153), (4051, 4965)]