20028063

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 10615137

約数列:

[1, 3, 11, 33, 37, 47, 111, 141, 349, 407, 517, 1047, 1221, 1551, 1739, 3839, 5217, 11517, 12913, 16403, 19129, 38739, 49209, 57387, 142043, 180433, 426129, 541299, 606911, 1820733, 6676021, 20028063]

約数ペア:

[(1, 20028063), (3, 6676021), (11, 1820733), (33, 606911), (37, 541299), (47, 426129), (111, 180433), (141, 142043), (349, 57387), (407, 49209), (517, 38739), (1047, 19129), (1221, 16403), (1551, 12913), (1739, 11517), (3839, 5217)]