20481574106

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{457607}}^1$

素因数の和:457778

約数の個数: 32

約数和(自身を含む): 36901509120

約数和(自身を除く): 16419935014

約数列:

[1, 2, 7, 14, 23, 46, 139, 161, 278, 322, 973, 1946, 3197, 6394, 22379, 44758, 457607, 915214, 3203249, 6406498, 10524961, 21049922, 63607373, 73674727, 127214746, 147349454, 445251611, 890503222, 1462969579, 2925939158, 10240787053, 20481574106]

約数ペア:

[(1, 20481574106), (2, 10240787053), (7, 2925939158), (14, 1462969579), (23, 890503222), (46, 445251611), (139, 147349454), (161, 127214746), (278, 73674727), (322, 63607373), (973, 21049922), (1946, 10524961), (3197, 6406498), (6394, 3203249), (22379, 915214), (44758, 457607)]