20120376521

素因数分解:

$7^2\times {\mathrm{449}}^1\times {\mathrm{914521}}^1$

素因数の和:914984

約数の個数: 12

約数和(自身を含む): 23457489300

約数和(自身を除く): 3337112779

約数列:

[1, 7, 49, 449, 3143, 22001, 914521, 6401647, 44811529, 410619929, 2874339503, 20120376521]

約数ペア:

[(1, 20120376521), (7, 2874339503), (49, 410619929), (449, 44811529), (3143, 6401647), (22001, 914521)]