20184220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144173}}^1$

素因数の和:144189

約数の個数: 24

約数和(自身を含む): 48442464

約数和(自身を除く): 28258244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144173, 288346, 576692, 720865, 1009211, 1441730, 2018422, 2883460, 4036844, 5046055, 10092110, 20184220]

約数ペア:

[(1, 20184220), (2, 10092110), (4, 5046055), (5, 4036844), (7, 2883460), (10, 2018422), (14, 1441730), (20, 1009211), (28, 720865), (35, 576692), (70, 288346), (140, 144173)]