20493430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70667}}^1$

素因数の和:70703

約数の個数: 16

約数和(自身を含む): 38160720

約数和(自身を除く): 17667290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70667, 141334, 353335, 706670, 2049343, 4098686, 10246715, 20493430]

約数ペア:

[(1, 20493430), (2, 10246715), (5, 4098686), (10, 2049343), (29, 706670), (58, 353335), (145, 141334), (290, 70667)]