20372723

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 24027840

約数和(自身を除く): 3655117

約数列:

[1, 7, 53, 89, 371, 617, 623, 4319, 4717, 32701, 33019, 54913, 228907, 384391, 2910389, 20372723]

約数ペア:

[(1, 20372723), (7, 2910389), (53, 384391), (89, 228907), (371, 54913), (617, 33019), (623, 32701), (4319, 4717)]