20637407

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 24284160

約数和(自身を除く): 3646753

約数列:

[1, 7, 67, 79, 469, 553, 557, 3899, 5293, 37051, 37319, 44003, 261233, 308021, 2948201, 20637407]

約数ペア:

[(1, 20637407), (7, 2948201), (67, 308021), (79, 261233), (469, 44003), (553, 37319), (557, 37051), (3899, 5293)]