20147121071

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{18503}}^1$

素因数の和:18779

約数の個数: 32

約数和(自身を含む): 25579929600

約数和(自身を除く): 5432808529

約数列:

[1, 7, 11, 77, 79, 179, 553, 869, 1253, 1969, 6083, 13783, 14141, 18503, 98987, 129521, 155551, 203533, 1088857, 1424731, 1461737, 3312037, 10232159, 16079107, 23184259, 36432407, 112553749, 255026849, 261650923, 1831556461, 2878160153, 20147121071]

約数ペア:

[(1, 20147121071), (7, 2878160153), (11, 1831556461), (77, 261650923), (79, 255026849), (179, 112553749), (553, 36432407), (869, 23184259), (1253, 16079107), (1969, 10232159), (6083, 3312037), (13783, 1461737), (14141, 1424731), (18503, 1088857), (98987, 203533), (129521, 155551)]