20790745890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1\times {\mathrm{7151}}^1$

素因数の和:7847

約数の個数: 64

約数和(自身を含む): 50258534400

約数和(自身を除く): 29467788510

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 199, 398, 487, 597, 974, 995, 1194, 1461, 1990, 2435, 2922, 2985, 4870, 5970, 7151, 7305, 14302, 14610, 21453, 35755, 42906, 71510, 96913, 107265, 193826, 214530, 290739, 484565, 581478, 969130, 1423049, 1453695, 2846098, 2907390, 3482537, 4269147, 6965074, 7115245, 8538294, 10447611, 14230490, 17412685, 20895222, 21345735, 34825370, 42691470, 52238055, 104476110, 693024863, 1386049726, 2079074589, 3465124315, 4158149178, 6930248630, 10395372945, 20790745890]

約数ペア:

[(1, 20790745890), (2, 10395372945), (3, 6930248630), (5, 4158149178), (6, 3465124315), (10, 2079074589), (15, 1386049726), (30, 693024863), (199, 104476110), (398, 52238055), (487, 42691470), (597, 34825370), (974, 21345735), (995, 20895222), (1194, 17412685), (1461, 14230490), (1990, 10447611), (2435, 8538294), (2922, 7115245), (2985, 6965074), (4870, 4269147), (5970, 3482537), (7151, 2907390), (7305, 2846098), (14302, 1453695), (14610, 1423049), (21453, 969130), (35755, 581478), (42906, 484565), (71510, 290739), (96913, 214530), (107265, 193826)]