20212553600

素因数分解:

$2^7\times 5^2\times {\mathrm{6316423}}^1$

素因数の和:6316447

約数の個数: 48

約数和(自身を含む): 49931331720

約数和(自身を除く): 29718778120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 6316423, 12632846, 25265692, 31582115, 50531384, 63164230, 101062768, 126328460, 157910575, 202125536, 252656920, 315821150, 404251072, 505313840, 631642300, 808502144, 1010627680, 1263284600, 2021255360, 2526569200, 4042510720, 5053138400, 10106276800, 20212553600]

約数ペア:

[(1, 20212553600), (2, 10106276800), (4, 5053138400), (5, 4042510720), (8, 2526569200), (10, 2021255360), (16, 1263284600), (20, 1010627680), (25, 808502144), (32, 631642300), (40, 505313840), (50, 404251072), (64, 315821150), (80, 252656920), (100, 202125536), (128, 157910575), (160, 126328460), (200, 101062768), (320, 63164230), (400, 50531384), (640, 31582115), (800, 25265692), (1600, 12632846), (3200, 6316423)]