20651252013

素因数分解:

$3^2\times 7^1\times {\mathrm{1229}}^1\times {\mathrm{266719}}^1$

素因数の和:267961

約数の個数: 24

約数和(自身を含む): 34118822400

約数和(自身を除く): 13467570387

約数列:

[1, 3, 7, 9, 21, 63, 1229, 3687, 8603, 11061, 25809, 77427, 266719, 800157, 1867033, 2400471, 5601099, 16803297, 327797651, 983392953, 2294583557, 2950178859, 6883750671, 20651252013]

約数ペア:

[(1, 20651252013), (3, 6883750671), (7, 2950178859), (9, 2294583557), (21, 983392953), (63, 327797651), (1229, 16803297), (3687, 5601099), (8603, 2400471), (11061, 1867033), (25809, 800157), (77427, 266719)]