20420322

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261799}}^1$

素因数の和:261817

約数の個数: 16

約数和(自身を含む): 43982400

約数和(自身を除く): 23562078

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 261799, 523598, 785397, 1570794, 3403387, 6806774, 10210161, 20420322]

約数ペア:

[(1, 20420322), (2, 10210161), (3, 6806774), (6, 3403387), (13, 1570794), (26, 785397), (39, 523598), (78, 261799)]