20942586

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2341}}^1$

素因数の和:2427

約数の個数: 48

約数和(自身を含む): 52610688

約数和(自身を除く): 31668102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2341, 2982, 4473, 4682, 7023, 8946, 14046, 16387, 21069, 32774, 42138, 49161, 98322, 147483, 166211, 294966, 332422, 498633, 997266, 1163477, 1495899, 2326954, 2991798, 3490431, 6980862, 10471293, 20942586]

約数ペア:

[(1, 20942586), (2, 10471293), (3, 6980862), (6, 3490431), (7, 2991798), (9, 2326954), (14, 1495899), (18, 1163477), (21, 997266), (42, 498633), (63, 332422), (71, 294966), (126, 166211), (142, 147483), (213, 98322), (426, 49161), (497, 42138), (639, 32774), (994, 21069), (1278, 16387), (1491, 14046), (2341, 8946), (2982, 7023), (4473, 4682)]