20790721308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{983}}^1\times {\mathrm{251789}}^1$

素因数の和:252786

約数の個数: 48

約数和(自身を含む): 55498544640

約数和(自身を除く): 34707823332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 983, 1966, 2949, 3932, 5898, 6881, 11796, 13762, 20643, 27524, 41286, 82572, 251789, 503578, 755367, 1007156, 1510734, 1762523, 3021468, 3525046, 5287569, 7050092, 10575138, 21150276, 247508587, 495017174, 742525761, 990034348, 1485051522, 1732560109, 2970103044, 3465120218, 5197680327, 6930240436, 10395360654, 20790721308]

約数ペア:

[(1, 20790721308), (2, 10395360654), (3, 6930240436), (4, 5197680327), (6, 3465120218), (7, 2970103044), (12, 1732560109), (14, 1485051522), (21, 990034348), (28, 742525761), (42, 495017174), (84, 247508587), (983, 21150276), (1966, 10575138), (2949, 7050092), (3932, 5287569), (5898, 3525046), (6881, 3021468), (11796, 1762523), (13762, 1510734), (20643, 1007156), (27524, 755367), (41286, 503578), (82572, 251789)]