20117706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 28266294

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 83, 87, 166, 174, 199, 203, 249, 398, 406, 498, 581, 597, 609, 1162, 1194, 1218, 1393, 1743, 2407, 2786, 3486, 4179, 4814, 5771, 7221, 8358, 11542, 14442, 16517, 16849, 17313, 33034, 33698, 34626, 40397, 49551, 50547, 80794, 99102, 101094, 115619, 121191, 231238, 242382, 346857, 478993, 693714, 957986, 1436979, 2873958, 3352951, 6705902, 10058853, 20117706]

約数ペア:

[(1, 20117706), (2, 10058853), (3, 6705902), (6, 3352951), (7, 2873958), (14, 1436979), (21, 957986), (29, 693714), (42, 478993), (58, 346857), (83, 242382), (87, 231238), (166, 121191), (174, 115619), (199, 101094), (203, 99102), (249, 80794), (398, 50547), (406, 49551), (498, 40397), (581, 34626), (597, 33698), (609, 33034), (1162, 17313), (1194, 16849), (1218, 16517), (1393, 14442), (1743, 11542), (2407, 8358), (2786, 7221), (3486, 5771), (4179, 4814)]