20194708287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{26321}}^1$

素因数の和:26631

約数の個数: 32

約数和(自身を含む): 29433470976

約数和(自身を除く): 9238762689

約数列:

[1, 3, 13, 39, 103, 191, 309, 573, 1339, 2483, 4017, 7449, 19673, 26321, 59019, 78963, 255749, 342173, 767247, 1026519, 2711063, 5027311, 8133189, 15081933, 35243819, 65355043, 105731457, 196065129, 517813033, 1553439099, 6731569429, 20194708287]

約数ペア:

[(1, 20194708287), (3, 6731569429), (13, 1553439099), (39, 517813033), (103, 196065129), (191, 105731457), (309, 65355043), (573, 35243819), (1339, 15081933), (2483, 8133189), (4017, 5027311), (7449, 2711063), (19673, 1026519), (26321, 767247), (59019, 342173), (78963, 255749)]