20933275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{467}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 28551744

約数和(自身を除く): 7618469

約数列:

[1, 5, 11, 25, 55, 163, 275, 467, 815, 1793, 2335, 4075, 5137, 8965, 11675, 25685, 44825, 76121, 128425, 380605, 837331, 1903025, 4186655, 20933275]

約数ペア:

[(1, 20933275), (5, 4186655), (11, 1903025), (25, 837331), (55, 380605), (163, 128425), (275, 76121), (467, 44825), (815, 25685), (1793, 11675), (2335, 8965), (4075, 5137)]