20010551

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 22788000

約数和(自身を除く): 2777449

約数列:

[1, 11, 29, 149, 319, 421, 1639, 4321, 4631, 12209, 47531, 62729, 134299, 690019, 1819141, 20010551]

約数ペア:

[(1, 20010551), (11, 1819141), (29, 690019), (149, 134299), (319, 62729), (421, 47531), (1639, 12209), (4321, 4631)]