20554020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2239}}^1$

素因数の和:2274

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 47183580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2239, 2295, 3060, 4478, 4590, 6717, 8956, 9180, 11195, 13434, 20151, 22390, 26868, 33585, 38063, 40302, 44780, 60453, 67170, 76126, 80604, 100755, 114189, 120906, 134340, 152252, 190315, 201510, 228378, 241812, 302265, 342567, 380630, 403020, 456756, 570945, 604530, 685134, 761260, 1027701, 1141890, 1209060, 1370268, 1712835, 2055402, 2283780, 3425670, 4110804, 5138505, 6851340, 10277010, 20554020]

約数ペア:

[(1, 20554020), (2, 10277010), (3, 6851340), (4, 5138505), (5, 4110804), (6, 3425670), (9, 2283780), (10, 2055402), (12, 1712835), (15, 1370268), (17, 1209060), (18, 1141890), (20, 1027701), (27, 761260), (30, 685134), (34, 604530), (36, 570945), (45, 456756), (51, 403020), (54, 380630), (60, 342567), (68, 302265), (85, 241812), (90, 228378), (102, 201510), (108, 190315), (135, 152252), (153, 134340), (170, 120906), (180, 114189), (204, 100755), (255, 80604), (270, 76126), (306, 67170), (340, 60453), (459, 44780), (510, 40302), (540, 38063), (612, 33585), (765, 26868), (918, 22390), (1020, 20151), (1530, 13434), (1836, 11195), (2239, 9180), (2295, 8956), (3060, 6717), (4478, 4590)]