20187714078

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{481141}}^1$

素因数の和:481199

約数の個数: 80

約数和(自身を含む): 53094981984

約数和(自身を除く): 32907267906

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 81, 111, 126, 162, 189, 222, 259, 333, 378, 518, 567, 666, 777, 999, 1134, 1554, 1998, 2331, 2997, 4662, 5994, 6993, 13986, 20979, 41958, 481141, 962282, 1443423, 2886846, 3367987, 4330269, 6735974, 8660538, 10103961, 12990807, 17802217, 20207922, 25981614, 30311883, 35604434, 38972421, 53406651, 60623766, 77944842, 90935649, 106813302, 124615519, 160219953, 181871298, 249231038, 272806947, 320439906, 373846557, 480659859, 545613894, 747693114, 961319718, 1121539671, 1441979577, 2243079342, 2883959154, 3364619013, 6729238026, 10093857039, 20187714078]

約数ペア:

[(1, 20187714078), (2, 10093857039), (3, 6729238026), (6, 3364619013), (7, 2883959154), (9, 2243079342), (14, 1441979577), (18, 1121539671), (21, 961319718), (27, 747693114), (37, 545613894), (42, 480659859), (54, 373846557), (63, 320439906), (74, 272806947), (81, 249231038), (111, 181871298), (126, 160219953), (162, 124615519), (189, 106813302), (222, 90935649), (259, 77944842), (333, 60623766), (378, 53406651), (518, 38972421), (567, 35604434), (666, 30311883), (777, 25981614), (999, 20207922), (1134, 17802217), (1554, 12990807), (1998, 10103961), (2331, 8660538), (2997, 6735974), (4662, 4330269), (5994, 3367987), (6993, 2886846), (13986, 1443423), (20979, 962282), (41958, 481141)]