20778966

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{88799}}^1$

素因数の和:88820

約数の個数: 24

約数和(自身を含む): 48484800

約数和(自身を除く): 27705834

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 88799, 177598, 266397, 532794, 799191, 1154387, 1598382, 2308774, 3463161, 6926322, 10389483, 20778966]

約数ペア:

[(1, 20778966), (2, 10389483), (3, 6926322), (6, 3463161), (9, 2308774), (13, 1598382), (18, 1154387), (26, 799191), (39, 532794), (78, 266397), (117, 177598), (234, 88799)]