20911464

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41491}}^1$

素因数の和:41510

約数の個数: 48

約数和(自身を含む): 64727520

約数和(自身を除く): 43816056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41491, 82982, 124473, 165964, 248946, 290437, 331928, 373419, 497892, 580874, 746838, 871311, 995784, 1161748, 1493676, 1742622, 2323496, 2613933, 2987352, 3485244, 5227866, 6970488, 10455732, 20911464]

約数ペア:

[(1, 20911464), (2, 10455732), (3, 6970488), (4, 5227866), (6, 3485244), (7, 2987352), (8, 2613933), (9, 2323496), (12, 1742622), (14, 1493676), (18, 1161748), (21, 995784), (24, 871311), (28, 746838), (36, 580874), (42, 497892), (56, 373419), (63, 331928), (72, 290437), (84, 248946), (126, 165964), (168, 124473), (252, 82982), (504, 41491)]