20565373360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{246469}}^1$

素因数の和:246638

約数の個数: 80

約数和(自身を含む): 55012104000

約数和(自身を除く): 34446730640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 149, 280, 298, 560, 596, 745, 1043, 1192, 1490, 2086, 2384, 2980, 4172, 5215, 5960, 8344, 10430, 11920, 16688, 20860, 41720, 83440, 246469, 492938, 985876, 1232345, 1725283, 1971752, 2464690, 3450566, 3943504, 4929380, 6901132, 8626415, 9858760, 13802264, 17252830, 19717520, 27604528, 34505660, 36723881, 69011320, 73447762, 138022640, 146895524, 183619405, 257067167, 293791048, 367238810, 514134334, 587582096, 734477620, 1028268668, 1285335835, 1468955240, 2056537336, 2570671670, 2937910480, 4113074672, 5141343340, 10282686680, 20565373360]

約数ペア:

[(1, 20565373360), (2, 10282686680), (4, 5141343340), (5, 4113074672), (7, 2937910480), (8, 2570671670), (10, 2056537336), (14, 1468955240), (16, 1285335835), (20, 1028268668), (28, 734477620), (35, 587582096), (40, 514134334), (56, 367238810), (70, 293791048), (80, 257067167), (112, 183619405), (140, 146895524), (149, 138022640), (280, 73447762), (298, 69011320), (560, 36723881), (596, 34505660), (745, 27604528), (1043, 19717520), (1192, 17252830), (1490, 13802264), (2086, 9858760), (2384, 8626415), (2980, 6901132), (4172, 4929380), (5215, 3943504), (5960, 3450566), (8344, 2464690), (10430, 1971752), (11920, 1725283), (16688, 1232345), (20860, 985876), (41720, 492938), (83440, 246469)]