20237559815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1\times {\mathrm{1033}}^1$

素因数の和:2000

約数の個数: 64

約数和(自身を含む): 29331320832

約数和(自身を除く): 9093761017

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 911, 935, 1033, 1265, 1955, 4301, 4555, 5165, 10021, 11363, 15487, 17561, 20953, 21505, 23759, 50105, 56815, 77435, 87805, 104765, 118795, 170357, 193171, 230483, 261349, 356201, 403903, 851785, 941063, 965855, 1152415, 1306745, 1781005, 2019515, 3918211, 4442933, 4705315, 10351693, 15998071, 19591055, 21644449, 22214665, 51758465, 79990355, 108222245, 175978781, 238088939, 367955633, 879893905, 1190444695, 1839778165, 4047511963, 20237559815]

約数ペア:

[(1, 20237559815), (5, 4047511963), (11, 1839778165), (17, 1190444695), (23, 879893905), (55, 367955633), (85, 238088939), (115, 175978781), (187, 108222245), (253, 79990355), (391, 51758465), (911, 22214665), (935, 21644449), (1033, 19591055), (1265, 15998071), (1955, 10351693), (4301, 4705315), (4555, 4442933), (5165, 3918211), (10021, 2019515), (11363, 1781005), (15487, 1306745), (17561, 1152415), (20953, 965855), (21505, 941063), (23759, 851785), (50105, 403903), (56815, 356201), (77435, 261349), (87805, 230483), (104765, 193171), (118795, 170357)]