20857566

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2088

約数の個数: 32

約数和(自身を含む): 43776000

約数和(自身を除く): 22918434

約数列:

[1, 2, 3, 6, 37, 47, 74, 94, 111, 141, 222, 282, 1739, 1999, 3478, 3998, 5217, 5997, 10434, 11994, 73963, 93953, 147926, 187906, 221889, 281859, 443778, 563718, 3476261, 6952522, 10428783, 20857566]

約数ペア:

[(1, 20857566), (2, 10428783), (3, 6952522), (6, 3476261), (37, 563718), (47, 443778), (74, 281859), (94, 221889), (111, 187906), (141, 147926), (222, 93953), (282, 73963), (1739, 11994), (1999, 10434), (3478, 5997), (3998, 5217)]