20605280295

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{1153}}^1$

素因数の和:1576

約数の個数: 64

約数和(自身を含む): 34218961920

約数和(自身を除く): 13613681625

約数列:

[1, 3, 5, 15, 43, 103, 129, 215, 269, 309, 515, 645, 807, 1153, 1345, 1545, 3459, 4035, 4429, 5765, 11567, 13287, 17295, 22145, 27707, 34701, 49579, 57835, 66435, 83121, 118759, 138535, 148737, 173505, 247895, 310157, 356277, 415605, 593795, 743685, 930471, 1191401, 1550785, 1781385, 3574203, 4652355, 5106637, 5957005, 13336751, 15319911, 17871015, 25533185, 31946171, 40010253, 66683755, 76599555, 95838513, 159730855, 200051265, 479192565, 1373685353, 4121056059, 6868426765, 20605280295]

約数ペア:

[(1, 20605280295), (3, 6868426765), (5, 4121056059), (15, 1373685353), (43, 479192565), (103, 200051265), (129, 159730855), (215, 95838513), (269, 76599555), (309, 66683755), (515, 40010253), (645, 31946171), (807, 25533185), (1153, 17871015), (1345, 15319911), (1545, 13336751), (3459, 5957005), (4035, 5106637), (4429, 4652355), (5765, 3574203), (11567, 1781385), (13287, 1550785), (17295, 1191401), (22145, 930471), (27707, 743685), (34701, 593795), (49579, 415605), (57835, 356277), (66435, 310157), (83121, 247895), (118759, 173505), (138535, 148737)]