20227577720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2491081}}^1$

素因数の和:2491128

約数の個数: 64

約数和(自身を含む): 53807371200

約数和(自身を除く): 33579793480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 2491081, 4982162, 9964324, 12455405, 17437567, 19928648, 24910810, 34875134, 49821620, 69750268, 72241349, 87187835, 99643240, 139500536, 144482698, 174375670, 288965396, 348751340, 361206745, 505689443, 577930792, 697502680, 722413490, 1011378886, 1444826980, 2022757772, 2528447215, 2889653960, 4045515544, 5056894430, 10113788860, 20227577720]

約数ペア:

[(1, 20227577720), (2, 10113788860), (4, 5056894430), (5, 4045515544), (7, 2889653960), (8, 2528447215), (10, 2022757772), (14, 1444826980), (20, 1011378886), (28, 722413490), (29, 697502680), (35, 577930792), (40, 505689443), (56, 361206745), (58, 348751340), (70, 288965396), (116, 174375670), (140, 144482698), (145, 139500536), (203, 99643240), (232, 87187835), (280, 72241349), (290, 69750268), (406, 49821620), (580, 34875134), (812, 24910810), (1015, 19928648), (1160, 17437567), (1624, 12455405), (2030, 9964324), (4060, 4982162), (8120, 2491081)]