20299895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52727}}^1$

素因数の和:52750

約数の個数: 16

約数和(自身を含む): 30371328

約数和(自身を除く): 10071433

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 52727, 263635, 369089, 579997, 1845445, 2899985, 4059979, 20299895]

約数ペア:

[(1, 20299895), (5, 4059979), (7, 2899985), (11, 1845445), (35, 579997), (55, 369089), (77, 263635), (385, 52727)]