20187631425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1\times {\mathrm{797}}^1$

素因数の和:1219

約数の個数: 96

約数和(自身を含む): 36539411328

約数和(自身を除く): 16351779903

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 83, 195, 249, 313, 325, 415, 797, 939, 975, 1079, 1245, 1565, 2075, 2391, 3237, 3985, 4069, 4695, 5395, 6225, 7825, 10361, 11955, 12207, 16185, 19925, 20345, 23475, 25979, 26975, 31083, 51805, 59775, 61035, 66151, 77937, 80925, 101725, 129895, 155415, 198453, 249461, 259025, 305175, 330755, 337727, 389685, 649475, 748383, 777075, 859963, 992265, 1013181, 1247305, 1653775, 1688635, 1948425, 2579889, 3242993, 3741915, 4299815, 4961325, 5065905, 6236525, 8443175, 9728979, 12899445, 16214965, 18709575, 20705263, 21499075, 25329525, 48644895, 62115789, 64497225, 81074825, 103526315, 243224475, 269168419, 310578945, 517631575, 807505257, 1345842095, 1552894725, 4037526285, 6729210475, 20187631425]

約数ペア:

[(1, 20187631425), (3, 6729210475), (5, 4037526285), (13, 1552894725), (15, 1345842095), (25, 807505257), (39, 517631575), (65, 310578945), (75, 269168419), (83, 243224475), (195, 103526315), (249, 81074825), (313, 64497225), (325, 62115789), (415, 48644895), (797, 25329525), (939, 21499075), (975, 20705263), (1079, 18709575), (1245, 16214965), (1565, 12899445), (2075, 9728979), (2391, 8443175), (3237, 6236525), (3985, 5065905), (4069, 4961325), (4695, 4299815), (5395, 3741915), (6225, 3242993), (7825, 2579889), (10361, 1948425), (11955, 1688635), (12207, 1653775), (16185, 1247305), (19925, 1013181), (20345, 992265), (23475, 859963), (25979, 777075), (26975, 748383), (31083, 649475), (51805, 389685), (59775, 337727), (61035, 330755), (66151, 305175), (77937, 259025), (80925, 249461), (101725, 198453), (129895, 155415)]