20158845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27427}}^1$

素因数の和:27449

約数の個数: 24

約数和(自身を含む): 37521504

約数和(自身を除く): 17362659

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27427, 82281, 137135, 191989, 411405, 575967, 959945, 1343923, 2879835, 4031769, 6719615, 20158845]

約数ペア:

[(1, 20158845), (3, 6719615), (5, 4031769), (7, 2879835), (15, 1343923), (21, 959945), (35, 575967), (49, 411405), (105, 191989), (147, 137135), (245, 82281), (735, 27427)]