12711020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90793}}^1$

素因数の和:90809

約数の個数: 24

約数和(自身を含む): 30506784

約数和(自身を除く): 17795764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90793, 181586, 363172, 453965, 635551, 907930, 1271102, 1815860, 2542204, 3177755, 6355510, 12711020]

約数ペア:

[(1, 12711020), (2, 6355510), (4, 3177755), (5, 2542204), (7, 1815860), (10, 1271102), (14, 907930), (20, 635551), (28, 453965), (35, 363172), (70, 181586), (140, 90793)]