20199451181

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{146323}}^1$

素因数の和:146421

約数の個数: 32

約数和(自身を含む): 26155707648

約数和(自身を除く): 5956256467

約数列:

[1, 7, 13, 37, 41, 91, 259, 287, 481, 533, 1517, 3367, 3731, 10619, 19721, 138047, 146323, 1024261, 1902199, 5413951, 5999243, 13315393, 37897657, 41994701, 70381363, 77990159, 221971991, 492669541, 545931113, 1553803937, 2885635883, 20199451181]

約数ペア:

[(1, 20199451181), (7, 2885635883), (13, 1553803937), (37, 545931113), (41, 492669541), (91, 221971991), (259, 77990159), (287, 70381363), (481, 41994701), (533, 37897657), (1517, 13315393), (3367, 5999243), (3731, 5413951), (10619, 1902199), (19721, 1024261), (138047, 146323)]