20039300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 46872000

約数和(自身を除く): 26832700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 190, 199, 212, 265, 380, 398, 475, 530, 796, 950, 995, 1007, 1060, 1325, 1900, 1990, 2014, 2650, 3781, 3980, 4028, 4975, 5035, 5300, 7562, 9950, 10070, 10547, 15124, 18905, 19900, 20140, 21094, 25175, 37810, 42188, 50350, 52735, 75620, 94525, 100700, 105470, 189050, 200393, 210940, 263675, 378100, 400786, 527350, 801572, 1001965, 1054700, 2003930, 4007860, 5009825, 10019650, 20039300]

約数ペア:

[(1, 20039300), (2, 10019650), (4, 5009825), (5, 4007860), (10, 2003930), (19, 1054700), (20, 1001965), (25, 801572), (38, 527350), (50, 400786), (53, 378100), (76, 263675), (95, 210940), (100, 200393), (106, 189050), (190, 105470), (199, 100700), (212, 94525), (265, 75620), (380, 52735), (398, 50350), (475, 42188), (530, 37810), (796, 25175), (950, 21094), (995, 20140), (1007, 19900), (1060, 18905), (1325, 15124), (1900, 10547), (1990, 10070), (2014, 9950), (2650, 7562), (3781, 5300), (3980, 5035), (4028, 4975)]