20128605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3617}}^1$

素因数の和:3685

約数の個数: 32

約数和(自身を含む): 37511424

約数和(自身を除く): 17382819

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 105, 159, 265, 371, 795, 1113, 1855, 3617, 5565, 10851, 18085, 25319, 54255, 75957, 126595, 191701, 379785, 575103, 958505, 1341907, 2875515, 4025721, 6709535, 20128605]

約数ペア:

[(1, 20128605), (3, 6709535), (5, 4025721), (7, 2875515), (15, 1341907), (21, 958505), (35, 575103), (53, 379785), (105, 191701), (159, 126595), (265, 75957), (371, 54255), (795, 25319), (1113, 18085), (1855, 10851), (3617, 5565)]