20847253

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{733}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 25367040

約数和(自身を除く): 4519787

約数列:

[1, 7, 17, 119, 239, 733, 1673, 4063, 5131, 12461, 28441, 87227, 175187, 1226309, 2978179, 20847253]

約数ペア:

[(1, 20847253), (7, 2978179), (17, 1226309), (119, 175187), (239, 87227), (733, 28441), (1673, 12461), (4063, 5131)]