20716091

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 23654400

約数和(自身を除く): 2938309

約数列:

[1, 11, 31, 79, 341, 769, 869, 2449, 8459, 23839, 26939, 60751, 262229, 668261, 1883281, 20716091]

約数ペア:

[(1, 20716091), (11, 1883281), (31, 668261), (79, 262229), (341, 60751), (769, 26939), (869, 23839), (2449, 8459)]