20803902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7393}}^1$

素因数の和:7472

約数の個数: 32

約数和(自身を含む): 48268032

約数和(自身を除く): 27464130

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7393, 14786, 22179, 44358, 51751, 103502, 155253, 310506, 495331, 990662, 1485993, 2971986, 3467317, 6934634, 10401951, 20803902]

約数ペア:

[(1, 20803902), (2, 10401951), (3, 6934634), (6, 3467317), (7, 2971986), (14, 1485993), (21, 990662), (42, 495331), (67, 310506), (134, 155253), (201, 103502), (402, 51751), (469, 44358), (938, 22179), (1407, 14786), (2814, 7393)]