2018352020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1\times {\mathrm{4409}}^1$

素因数の和:4952

約数の個数: 48

約数和(自身を含む): 4338593280

約数和(自身を除く): 2320241260

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 487, 940, 974, 1948, 2435, 4409, 4870, 8818, 9740, 17636, 22045, 22889, 44090, 45778, 88180, 91556, 114445, 207223, 228890, 414446, 457780, 828892, 1036115, 2072230, 2147183, 4144460, 4294366, 8588732, 10735915, 21471830, 42943660, 100917601, 201835202, 403670404, 504588005, 1009176010, 2018352020]

約数ペア:

[(1, 2018352020), (2, 1009176010), (4, 504588005), (5, 403670404), (10, 201835202), (20, 100917601), (47, 42943660), (94, 21471830), (188, 10735915), (235, 8588732), (470, 4294366), (487, 4144460), (940, 2147183), (974, 2072230), (1948, 1036115), (2435, 828892), (4409, 457780), (4870, 414446), (8818, 228890), (9740, 207223), (17636, 114445), (22045, 91556), (22889, 88180), (44090, 45778)]