12071420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8501}}^1$

素因数の和:8581

約数の個数: 24

約数和(自身を含む): 25710048

約数和(自身を除く): 13638628

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8501, 17002, 34004, 42505, 85010, 170020, 603571, 1207142, 2414284, 3017855, 6035710, 12071420]

約数ペア:

[(1, 12071420), (2, 6035710), (4, 3017855), (5, 2414284), (10, 1207142), (20, 603571), (71, 170020), (142, 85010), (284, 42505), (355, 34004), (710, 17002), (1420, 8501)]