20218756316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2538769}}^1$

素因数の和:2538965

約数の個数: 24

約数和(自身を含む): 38812715760

約数和(自身を除く): 18593959444

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 3982, 7964, 2538769, 5077538, 10155076, 27926459, 55852918, 111705836, 459517189, 919034378, 1838068756, 5054689079, 10109378158, 20218756316]

約数ペア:

[(1, 20218756316), (2, 10109378158), (4, 5054689079), (11, 1838068756), (22, 919034378), (44, 459517189), (181, 111705836), (362, 55852918), (724, 27926459), (1991, 10155076), (3982, 5077538), (7964, 2538769)]