20914012

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{829}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 45178560

約数和(自身を除く): 24264548

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 106, 119, 212, 238, 371, 476, 742, 829, 901, 1484, 1658, 1802, 3316, 3604, 5803, 6307, 11606, 12614, 14093, 23212, 25228, 28186, 43937, 56372, 87874, 98651, 175748, 197302, 307559, 394604, 615118, 746929, 1230236, 1493858, 2987716, 5228503, 10457006, 20914012]

約数ペア:

[(1, 20914012), (2, 10457006), (4, 5228503), (7, 2987716), (14, 1493858), (17, 1230236), (28, 746929), (34, 615118), (53, 394604), (68, 307559), (106, 197302), (119, 175748), (212, 98651), (238, 87874), (371, 56372), (476, 43937), (742, 28186), (829, 25228), (901, 23212), (1484, 14093), (1658, 12614), (1802, 11606), (3316, 6307), (3604, 5803)]