20378316

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{4951}}^1$

素因数の和:4979

約数の個数: 48

約数和(自身を含む): 55462400

約数和(自身を除く): 35084084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 4951, 9902, 14853, 19804, 29706, 34657, 59412, 69314, 103971, 138628, 207942, 242599, 415884, 485198, 727797, 970396, 1455594, 1698193, 2911188, 3396386, 5094579, 6792772, 10189158, 20378316]

約数ペア:

[(1, 20378316), (2, 10189158), (3, 6792772), (4, 5094579), (6, 3396386), (7, 2911188), (12, 1698193), (14, 1455594), (21, 970396), (28, 727797), (42, 485198), (49, 415884), (84, 242599), (98, 207942), (147, 138628), (196, 103971), (294, 69314), (343, 59412), (588, 34657), (686, 29706), (1029, 19804), (1372, 14853), (2058, 9902), (4116, 4951)]