20329875

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1063}}^1$

素因数の和:1101

約数の個数: 48

約数和(自身を含む): 38840256

約数和(自身を除く): 18510381

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1063, 1125, 1275, 2125, 3189, 3825, 5315, 6375, 9567, 15945, 18071, 19125, 26575, 47835, 54213, 79725, 90355, 132875, 162639, 239175, 271065, 398625, 451775, 813195, 1195875, 1355325, 2258875, 4065975, 6776625, 20329875]

約数ペア:

[(1, 20329875), (3, 6776625), (5, 4065975), (9, 2258875), (15, 1355325), (17, 1195875), (25, 813195), (45, 451775), (51, 398625), (75, 271065), (85, 239175), (125, 162639), (153, 132875), (225, 90355), (255, 79725), (375, 54213), (425, 47835), (765, 26575), (1063, 19125), (1125, 18071), (1275, 15945), (2125, 9567), (3189, 6375), (3825, 5315)]