20201706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2393}}^1$

素因数の和:2475

約数の個数: 48

約数和(自身を含む): 50791104

約数和(自身を除く): 30589398

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 67, 126, 134, 201, 402, 469, 603, 938, 1206, 1407, 2393, 2814, 4221, 4786, 7179, 8442, 14358, 16751, 21537, 33502, 43074, 50253, 100506, 150759, 160331, 301518, 320662, 480993, 961986, 1122317, 1442979, 2244634, 2885958, 3366951, 6733902, 10100853, 20201706]

約数ペア:

[(1, 20201706), (2, 10100853), (3, 6733902), (6, 3366951), (7, 2885958), (9, 2244634), (14, 1442979), (18, 1122317), (21, 961986), (42, 480993), (63, 320662), (67, 301518), (126, 160331), (134, 150759), (201, 100506), (402, 50253), (469, 43074), (603, 33502), (938, 21537), (1206, 16751), (1407, 14358), (2393, 8442), (2814, 7179), (4221, 4786)]