13020378

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 30790944

約数和(自身を除く): 17770566

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 67, 98, 134, 147, 201, 294, 402, 469, 661, 938, 1322, 1407, 1983, 2814, 3283, 3966, 4627, 6566, 9254, 9849, 13881, 19698, 27762, 32389, 44287, 64778, 88574, 97167, 132861, 194334, 265722, 310009, 620018, 930027, 1860054, 2170063, 4340126, 6510189, 13020378]

約数ペア:

[(1, 13020378), (2, 6510189), (3, 4340126), (6, 2170063), (7, 1860054), (14, 930027), (21, 620018), (42, 310009), (49, 265722), (67, 194334), (98, 132861), (134, 97167), (147, 88574), (201, 64778), (294, 44287), (402, 32389), (469, 27762), (661, 19698), (938, 13881), (1322, 9849), (1407, 9254), (1983, 6566), (2814, 4627), (3283, 3966)]