20648918511

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{8971}}^1$

素因数の和:9284

約数の個数: 48

約数和(自身を含む): 32605827072

約数和(自身を除く): 11956908561

約数列:

[1, 3, 9, 13, 39, 103, 117, 191, 309, 573, 927, 1339, 1719, 2483, 4017, 7449, 8971, 12051, 19673, 22347, 26913, 59019, 80739, 116623, 177057, 255749, 349869, 767247, 924013, 1049607, 1713461, 2301741, 2772039, 5140383, 8316117, 12012169, 15421149, 22274993, 36036507, 66824979, 108109521, 176486483, 200474937, 529459449, 1588378347, 2294324279, 6882972837, 20648918511]

約数ペア:

[(1, 20648918511), (3, 6882972837), (9, 2294324279), (13, 1588378347), (39, 529459449), (103, 200474937), (117, 176486483), (191, 108109521), (309, 66824979), (573, 36036507), (927, 22274993), (1339, 15421149), (1719, 12012169), (2483, 8316117), (4017, 5140383), (7449, 2772039), (8971, 2301741), (12051, 1713461), (19673, 1049607), (22347, 924013), (26913, 767247), (59019, 349869), (80739, 255749), (116623, 177057)]