20350088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 24647032

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 61, 68, 88, 122, 136, 187, 223, 244, 374, 446, 488, 671, 748, 892, 1037, 1342, 1496, 1784, 2074, 2453, 2684, 3791, 4148, 4906, 5368, 7582, 8296, 9812, 11407, 13603, 15164, 19624, 22814, 27206, 30328, 41701, 45628, 54412, 83402, 91256, 108824, 149633, 166804, 231251, 299266, 333608, 462502, 598532, 925004, 1197064, 1850008, 2543761, 5087522, 10175044, 20350088]

約数ペア:

[(1, 20350088), (2, 10175044), (4, 5087522), (8, 2543761), (11, 1850008), (17, 1197064), (22, 925004), (34, 598532), (44, 462502), (61, 333608), (68, 299266), (88, 231251), (122, 166804), (136, 149633), (187, 108824), (223, 91256), (244, 83402), (374, 54412), (446, 45628), (488, 41701), (671, 30328), (748, 27206), (892, 22814), (1037, 19624), (1342, 15164), (1496, 13603), (1784, 11407), (2074, 9812), (2453, 8296), (2684, 7582), (3791, 5368), (4148, 4906)]