20187160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4241}}^1$

素因数の和:4276

約数の個数: 64

約数和(自身を含む): 54976320

約数和(自身を除く): 34789160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4241, 4760, 8482, 16964, 21205, 29687, 33928, 42410, 59374, 72097, 84820, 118748, 144194, 148435, 169640, 237496, 288388, 296870, 360485, 504679, 576776, 593740, 720970, 1009358, 1187480, 1441940, 2018716, 2523395, 2883880, 4037432, 5046790, 10093580, 20187160]

約数ペア:

[(1, 20187160), (2, 10093580), (4, 5046790), (5, 4037432), (7, 2883880), (8, 2523395), (10, 2018716), (14, 1441940), (17, 1187480), (20, 1009358), (28, 720970), (34, 593740), (35, 576776), (40, 504679), (56, 360485), (68, 296870), (70, 288388), (85, 237496), (119, 169640), (136, 148435), (140, 144194), (170, 118748), (238, 84820), (280, 72097), (340, 59374), (476, 42410), (595, 33928), (680, 29687), (952, 21205), (1190, 16964), (2380, 8482), (4241, 4760)]