20744433073

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{100823}}^1$

素因数の和:100886

約数の個数: 48

約数和(自身を含む): 28964718720

約数和(自身を除く): 8220285647

約数列:

[1, 7, 13, 17, 19, 49, 91, 119, 133, 221, 247, 323, 637, 833, 931, 1547, 1729, 2261, 4199, 10829, 12103, 15827, 29393, 100823, 205751, 705761, 1310699, 1713991, 1915637, 4940327, 9174893, 11997937, 13409459, 22281883, 24903281, 32565829, 64224251, 83985559, 93866213, 155973181, 174322967, 227960803, 423355777, 1091812267, 1220260769, 1595725621, 2963490439, 20744433073]

約数ペア:

[(1, 20744433073), (7, 2963490439), (13, 1595725621), (17, 1220260769), (19, 1091812267), (49, 423355777), (91, 227960803), (119, 174322967), (133, 155973181), (221, 93866213), (247, 83985559), (323, 64224251), (637, 32565829), (833, 24903281), (931, 22281883), (1547, 13409459), (1729, 11997937), (2261, 9174893), (4199, 4940327), (10829, 1915637), (12103, 1713991), (15827, 1310699), (29393, 705761), (100823, 205751)]