20179946458

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{170603}}^1$

素因数の和:170707

約数の個数: 48

約数和(自身を含む): 37808576064

約数和(自身を除く): 17628629606

約数列:

[1, 2, 7, 14, 17, 34, 49, 71, 98, 119, 142, 238, 497, 833, 994, 1207, 1666, 2414, 3479, 6958, 8449, 16898, 59143, 118286, 170603, 341206, 1194221, 2388442, 2900251, 5800502, 8359547, 12112813, 16719094, 20301757, 24225626, 40603514, 84789691, 142112299, 169579382, 205917821, 284224598, 411835642, 593527837, 1187055674, 1441424747, 2882849494, 10089973229, 20179946458]

約数ペア:

[(1, 20179946458), (2, 10089973229), (7, 2882849494), (14, 1441424747), (17, 1187055674), (34, 593527837), (49, 411835642), (71, 284224598), (98, 205917821), (119, 169579382), (142, 142112299), (238, 84789691), (497, 40603514), (833, 24225626), (994, 20301757), (1207, 16719094), (1666, 12112813), (2414, 8359547), (3479, 5800502), (6958, 2900251), (8449, 2388442), (16898, 1194221), (59143, 341206), (118286, 170603)]