20888911670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2473}}^1\times {\mathrm{4517}}^1$

素因数の和:7025

約数の個数: 64

約数和(自身を含む): 43458244416

約数和(自身を除く): 22569332746

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 2473, 4517, 4946, 9034, 12365, 22585, 24730, 27203, 42041, 45170, 49687, 54406, 76789, 84082, 99374, 136015, 153578, 210205, 248435, 272030, 383945, 420410, 462451, 496870, 767890, 844679, 924902, 1689358, 2312255, 4223395, 4624510, 8446790, 11170541, 22341082, 55852705, 111705410, 122875951, 189899197, 245751902, 379798394, 614379755, 949495985, 1228759510, 1898991970, 2088891167, 4177782334, 10444455835, 20888911670]

約数ペア:

[(1, 20888911670), (2, 10444455835), (5, 4177782334), (10, 2088891167), (11, 1898991970), (17, 1228759510), (22, 949495985), (34, 614379755), (55, 379798394), (85, 245751902), (110, 189899197), (170, 122875951), (187, 111705410), (374, 55852705), (935, 22341082), (1870, 11170541), (2473, 8446790), (4517, 4624510), (4946, 4223395), (9034, 2312255), (12365, 1689358), (22585, 924902), (24730, 844679), (27203, 767890), (42041, 496870), (45170, 462451), (49687, 420410), (54406, 383945), (76789, 272030), (84082, 248435), (99374, 210205), (136015, 153578)]