20709400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6091}}^1$

素因数の和:6124

約数の個数: 48

約数和(自身を含む): 50990040

約数和(自身を除く): 30280640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 6091, 12182, 24364, 30455, 48728, 60910, 103547, 121820, 152275, 207094, 243640, 304550, 414188, 517735, 609100, 828376, 1035470, 1218200, 2070940, 2588675, 4141880, 5177350, 10354700, 20709400]

約数ペア:

[(1, 20709400), (2, 10354700), (4, 5177350), (5, 4141880), (8, 2588675), (10, 2070940), (17, 1218200), (20, 1035470), (25, 828376), (34, 609100), (40, 517735), (50, 414188), (68, 304550), (85, 243640), (100, 207094), (136, 152275), (170, 121820), (200, 103547), (340, 60910), (425, 48728), (680, 30455), (850, 24364), (1700, 12182), (3400, 6091)]