20925095218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{607}}^1$

素因数の和:1139

約数の個数: 64

約数和(自身を含む): 34783534080

約数和(自身を除く): 13858438862

約数列:

[1, 2, 17, 34, 37, 67, 74, 134, 409, 607, 629, 818, 1139, 1214, 1258, 2278, 2479, 4958, 6953, 10319, 13906, 15133, 20638, 22459, 27403, 30266, 40669, 42143, 44918, 54806, 81338, 84286, 248263, 257261, 381803, 465851, 496526, 514522, 691373, 763606, 931702, 1013911, 1382746, 1504753, 2027822, 3009506, 4220471, 8440942, 9185731, 16633621, 17236487, 18371462, 25580801, 33267242, 34472974, 51161602, 156157427, 282771557, 312314854, 565543114, 615443977, 1230887954, 10462547609, 20925095218]

約数ペア:

[(1, 20925095218), (2, 10462547609), (17, 1230887954), (34, 615443977), (37, 565543114), (67, 312314854), (74, 282771557), (134, 156157427), (409, 51161602), (607, 34472974), (629, 33267242), (818, 25580801), (1139, 18371462), (1214, 17236487), (1258, 16633621), (2278, 9185731), (2479, 8440942), (4958, 4220471), (6953, 3009506), (10319, 2027822), (13906, 1504753), (15133, 1382746), (20638, 1013911), (22459, 931702), (27403, 763606), (30266, 691373), (40669, 514522), (42143, 496526), (44918, 465851), (54806, 381803), (81338, 257261), (84286, 248263)]