20942089

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 25125120

約数和(自身を除く): 4183031

約数列:

[1, 7, 29, 71, 203, 497, 1453, 2059, 10171, 14413, 42137, 103163, 294959, 722141, 2991727, 20942089]

約数ペア:

[(1, 20942089), (7, 2991727), (29, 722141), (71, 294959), (203, 103163), (497, 42137), (1453, 14413), (2059, 10171)]