20724702955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1879}}^1\times {\mathrm{6469}}^1$

素因数の和:8395

約数の個数: 32

約数和(自身を含む): 28024934400

約数和(自身を除く): 7300231445

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 1879, 6469, 9395, 20669, 32345, 58249, 71159, 103345, 200539, 291245, 355795, 640739, 1002695, 2205929, 3203695, 11029645, 12155251, 60776255, 133707761, 376812781, 668538805, 1884063905, 4144940591, 20724702955]

約数ペア:

[(1, 20724702955), (5, 4144940591), (11, 1884063905), (31, 668538805), (55, 376812781), (155, 133707761), (341, 60776255), (1705, 12155251), (1879, 11029645), (6469, 3203695), (9395, 2205929), (20669, 1002695), (32345, 640739), (58249, 355795), (71159, 291245), (103345, 200539)]