20308400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7253}}^1$

素因数の和:7278

約数の個数: 60

約数和(自身を含む): 55768752

約数和(自身を除く): 35460352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7253, 14506, 29012, 36265, 50771, 58024, 72530, 101542, 116048, 145060, 181325, 203084, 253855, 290120, 362650, 406168, 507710, 580240, 725300, 812336, 1015420, 1269275, 1450600, 2030840, 2538550, 2901200, 4061680, 5077100, 10154200, 20308400]

約数ペア:

[(1, 20308400), (2, 10154200), (4, 5077100), (5, 4061680), (7, 2901200), (8, 2538550), (10, 2030840), (14, 1450600), (16, 1269275), (20, 1015420), (25, 812336), (28, 725300), (35, 580240), (40, 507710), (50, 406168), (56, 362650), (70, 290120), (80, 253855), (100, 203084), (112, 181325), (140, 145060), (175, 116048), (200, 101542), (280, 72530), (350, 58024), (400, 50771), (560, 36265), (700, 29012), (1400, 14506), (2800, 7253)]