20008135

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12163}}^1$

素因数の和:12222

約数の個数: 16

約数和(自身を含む): 28025856

約数和(自身を除く): 8017721

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12163, 60815, 85141, 425705, 571661, 2858305, 4001627, 20008135]

約数ペア:

[(1, 20008135), (5, 4001627), (7, 2858305), (35, 571661), (47, 425705), (235, 85141), (329, 60815), (1645, 12163)]