20127172975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{1327}}^1$

素因数の和:1529

約数の個数: 96

約数和(自身を含む): 31537981440

約数和(自身を除く): 11410808465

約数列:

[1, 5, 7, 13, 25, 35, 59, 65, 91, 113, 175, 295, 325, 413, 455, 565, 767, 791, 1327, 1469, 1475, 2065, 2275, 2825, 3835, 3955, 5369, 6635, 6667, 7345, 9289, 10283, 10325, 17251, 19175, 19775, 26845, 33175, 33335, 36725, 46445, 46669, 51415, 78293, 86255, 86671, 120757, 134225, 149951, 166675, 232225, 233345, 257075, 391465, 431275, 433355, 548051, 603785, 606697, 749755, 1017809, 1049657, 1166725, 1949363, 1957325, 2166775, 2740255, 3018925, 3033485, 3748775, 5089045, 5248285, 7124663, 8847109, 9746815, 13645541, 13701275, 15167425, 25445225, 26241425, 35623315, 44235545, 48734075, 61929763, 68227705, 115012417, 178116575, 221177725, 309648815, 341138525, 575062085, 805086919, 1548244075, 2875310425, 4025434595, 20127172975]

約数ペア:

[(1, 20127172975), (5, 4025434595), (7, 2875310425), (13, 1548244075), (25, 805086919), (35, 575062085), (59, 341138525), (65, 309648815), (91, 221177725), (113, 178116575), (175, 115012417), (295, 68227705), (325, 61929763), (413, 48734075), (455, 44235545), (565, 35623315), (767, 26241425), (791, 25445225), (1327, 15167425), (1469, 13701275), (1475, 13645541), (2065, 9746815), (2275, 8847109), (2825, 7124663), (3835, 5248285), (3955, 5089045), (5369, 3748775), (6635, 3033485), (6667, 3018925), (7345, 2740255), (9289, 2166775), (10283, 1957325), (10325, 1949363), (17251, 1166725), (19175, 1049657), (19775, 1017809), (26845, 749755), (33175, 606697), (33335, 603785), (36725, 548051), (46445, 433355), (46669, 431275), (51415, 391465), (78293, 257075), (86255, 233345), (86671, 232225), (120757, 166675), (134225, 149951)]