20132056217

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{223}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 26899278336

約数和(自身を除く): 6767222119

約数列:

[1, 7, 13, 17, 67, 91, 119, 169, 221, 223, 469, 871, 1139, 1183, 1547, 1561, 2873, 2899, 3791, 4489, 6097, 7973, 11323, 14807, 14941, 20111, 20293, 26537, 31423, 37687, 49283, 58357, 76313, 79261, 103649, 104587, 192491, 194233, 253997, 263809, 344981, 408499, 534191, 640679, 758641, 992069, 1001047, 1347437, 1359631, 1777979, 2525029, 3301961, 4484753, 5310487, 6944483, 7007329, 12896897, 13013611, 17017799, 17675203, 23113727, 42925493, 90278279, 91095277, 119124593, 169176943, 221231387, 300478451, 1184238601, 1548619709, 2876008031, 20132056217]

約数ペア:

[(1, 20132056217), (7, 2876008031), (13, 1548619709), (17, 1184238601), (67, 300478451), (91, 221231387), (119, 169176943), (169, 119124593), (221, 91095277), (223, 90278279), (469, 42925493), (871, 23113727), (1139, 17675203), (1183, 17017799), (1547, 13013611), (1561, 12896897), (2873, 7007329), (2899, 6944483), (3791, 5310487), (4489, 4484753), (6097, 3301961), (7973, 2525029), (11323, 1777979), (14807, 1359631), (14941, 1347437), (20111, 1001047), (20293, 992069), (26537, 758641), (31423, 640679), (37687, 534191), (49283, 408499), (58357, 344981), (76313, 263809), (79261, 253997), (103649, 194233), (104587, 192491)]