20268265

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3041}}^1$

素因数の和:3120

約数の個数: 16

約数和(自身を含む): 25698816

約数和(自身を除く): 5430551

約数列:

[1, 5, 31, 43, 155, 215, 1333, 3041, 6665, 15205, 94271, 130763, 471355, 653815, 4053653, 20268265]

約数ペア:

[(1, 20268265), (5, 4053653), (31, 653815), (43, 471355), (155, 130763), (215, 94271), (1333, 15205), (3041, 6665)]