20168565151

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{19919}}^1$

素因数の和:20299

約数の個数: 32

約数和(自身を含む): 25395609600

約数和(自身を除く): 5227044449

約数列:

[1, 7, 19, 23, 133, 161, 331, 437, 2317, 3059, 6289, 7613, 19919, 44023, 53291, 139433, 144647, 378461, 458137, 1012529, 2649227, 3206959, 6593189, 8704603, 46152323, 60932221, 125270591, 151643347, 876894137, 1061503429, 2881223593, 20168565151]

約数ペア:

[(1, 20168565151), (7, 2881223593), (19, 1061503429), (23, 876894137), (133, 151643347), (161, 125270591), (331, 60932221), (437, 46152323), (2317, 8704603), (3059, 6593189), (6289, 3206959), (7613, 2649227), (19919, 1012529), (44023, 458137), (53291, 378461), (139433, 144647)]