20345773760

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{61909}}^1$

素因数の和:62018

約数の個数: 112

約数和(自身を含む): 52836470400

約数和(自身を除く): 32490696640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 320, 395, 416, 520, 632, 790, 832, 1027, 1040, 1264, 1580, 2054, 2080, 2528, 3160, 4108, 4160, 5056, 5135, 6320, 8216, 10270, 12640, 16432, 20540, 25280, 32864, 41080, 61909, 65728, 82160, 123818, 164320, 247636, 309545, 328640, 495272, 619090, 804817, 990544, 1238180, 1609634, 1981088, 2476360, 3219268, 3962176, 4024085, 4890811, 4952720, 6438536, 8048170, 9781622, 9905440, 12877072, 16096340, 19563244, 19810880, 24454055, 25754144, 32192680, 39126488, 48908110, 51508288, 63580543, 64385360, 78252976, 97816220, 127161086, 128770720, 156505952, 195632440, 254322172, 257541440, 313011904, 317902715, 391264880, 508644344, 635805430, 782529760, 1017288688, 1271610860, 1565059520, 2034577376, 2543221720, 4069154752, 5086443440, 10172886880, 20345773760]

約数ペア:

[(1, 20345773760), (2, 10172886880), (4, 5086443440), (5, 4069154752), (8, 2543221720), (10, 2034577376), (13, 1565059520), (16, 1271610860), (20, 1017288688), (26, 782529760), (32, 635805430), (40, 508644344), (52, 391264880), (64, 317902715), (65, 313011904), (79, 257541440), (80, 254322172), (104, 195632440), (130, 156505952), (158, 128770720), (160, 127161086), (208, 97816220), (260, 78252976), (316, 64385360), (320, 63580543), (395, 51508288), (416, 48908110), (520, 39126488), (632, 32192680), (790, 25754144), (832, 24454055), (1027, 19810880), (1040, 19563244), (1264, 16096340), (1580, 12877072), (2054, 9905440), (2080, 9781622), (2528, 8048170), (3160, 6438536), (4108, 4952720), (4160, 4890811), (5056, 4024085), (5135, 3962176), (6320, 3219268), (8216, 2476360), (10270, 1981088), (12640, 1609634), (16432, 1238180), (20540, 990544), (25280, 804817), (32864, 619090), (41080, 495272), (61909, 328640), (65728, 309545), (82160, 247636), (123818, 164320)]