20171890435

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{248407}}^1$

素因数の和:248670

約数の個数: 16

約数和(自身を含む): 24592392000

約数和(自身を除く): 4420501565

約数列:

[1, 5, 109, 149, 545, 745, 16241, 81205, 248407, 1242035, 27076363, 37012643, 135381815, 185063215, 4034378087, 20171890435]

約数ペア:

[(1, 20171890435), (5, 4034378087), (109, 185063215), (149, 135381815), (545, 37012643), (745, 27076363), (16241, 1242035), (81205, 248407)]