20173779895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1439}}^1$

素因数の和:1656

約数の個数: 64

約数和(自身を含む): 27411333120

約数和(自身を除く): 7237553225

約数列:

[1, 5, 17, 23, 71, 85, 101, 115, 355, 391, 505, 1207, 1439, 1633, 1717, 1955, 2323, 6035, 7171, 7195, 8165, 8585, 11615, 24463, 27761, 33097, 35855, 39491, 102169, 121907, 122315, 138805, 145339, 164933, 165485, 197455, 510845, 562649, 609535, 726695, 824665, 1736873, 2349887, 2470763, 2803861, 2813245, 3342797, 8684365, 10319069, 11749435, 12353815, 14019305, 16713985, 39948079, 51595345, 56827549, 175424173, 199740395, 237338587, 284137745, 877120865, 1186692935, 4034755979, 20173779895]

約数ペア:

[(1, 20173779895), (5, 4034755979), (17, 1186692935), (23, 877120865), (71, 284137745), (85, 237338587), (101, 199740395), (115, 175424173), (355, 56827549), (391, 51595345), (505, 39948079), (1207, 16713985), (1439, 14019305), (1633, 12353815), (1717, 11749435), (1955, 10319069), (2323, 8684365), (6035, 3342797), (7171, 2813245), (7195, 2803861), (8165, 2470763), (8585, 2349887), (11615, 1736873), (24463, 824665), (27761, 726695), (33097, 609535), (35855, 562649), (39491, 510845), (102169, 197455), (121907, 165485), (122315, 164933), (138805, 145339)]