20781646260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20374163}}^1$

素因数の和:20374192

約数の個数: 48

約数和(自身を含む): 61611471936

約数和(自身を除く): 40829825676

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20374163, 40748326, 61122489, 81496652, 101870815, 122244978, 203741630, 244489956, 305612445, 346360771, 407483260, 611224890, 692721542, 1039082313, 1222449780, 1385443084, 1731803855, 2078164626, 3463607710, 4156329252, 5195411565, 6927215420, 10390823130, 20781646260]

約数ペア:

[(1, 20781646260), (2, 10390823130), (3, 6927215420), (4, 5195411565), (5, 4156329252), (6, 3463607710), (10, 2078164626), (12, 1731803855), (15, 1385443084), (17, 1222449780), (20, 1039082313), (30, 692721542), (34, 611224890), (51, 407483260), (60, 346360771), (68, 305612445), (85, 244489956), (102, 203741630), (170, 122244978), (204, 101870815), (255, 81496652), (340, 61122489), (510, 40748326), (1020, 20374163)]