20174739760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{318817}}^1$

素因数の和:318950

約数の個数: 80

約数和(自身を含む): 54081734976

約数和(自身を除く): 33906995216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 791, 904, 1130, 1582, 1808, 2260, 3164, 3955, 4520, 6328, 7910, 9040, 12656, 15820, 31640, 63280, 318817, 637634, 1275268, 1594085, 2231719, 2550536, 3188170, 4463438, 5101072, 6376340, 8926876, 11158595, 12752680, 17853752, 22317190, 25505360, 35707504, 36026321, 44634380, 72052642, 89268760, 144105284, 178537520, 180131605, 252184247, 288210568, 360263210, 504368494, 576421136, 720526420, 1008736988, 1260921235, 1441052840, 2017473976, 2521842470, 2882105680, 4034947952, 5043684940, 10087369880, 20174739760]

約数ペア:

[(1, 20174739760), (2, 10087369880), (4, 5043684940), (5, 4034947952), (7, 2882105680), (8, 2521842470), (10, 2017473976), (14, 1441052840), (16, 1260921235), (20, 1008736988), (28, 720526420), (35, 576421136), (40, 504368494), (56, 360263210), (70, 288210568), (80, 252184247), (112, 180131605), (113, 178537520), (140, 144105284), (226, 89268760), (280, 72052642), (452, 44634380), (560, 36026321), (565, 35707504), (791, 25505360), (904, 22317190), (1130, 17853752), (1582, 12752680), (1808, 11158595), (2260, 8926876), (3164, 6376340), (3955, 5101072), (4520, 4463438), (6328, 3188170), (7910, 2550536), (9040, 2231719), (12656, 1594085), (15820, 1275268), (31640, 637634), (63280, 318817)]