20148491640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{475649}}^1$

素因数の和:476016

約数の個数: 64

約数和(自身を含む): 60616836000

約数和(自身を除く): 40468344360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 706, 1059, 1412, 1765, 2118, 2824, 3530, 4236, 5295, 7060, 8472, 10590, 14120, 21180, 42360, 475649, 951298, 1426947, 1902596, 2378245, 2853894, 3805192, 4756490, 5707788, 7134735, 9512980, 11415576, 14269470, 19025960, 28538940, 57077880, 167904097, 335808194, 503712291, 671616388, 839520485, 1007424582, 1343232776, 1679040970, 2014849164, 2518561455, 3358081940, 4029698328, 5037122910, 6716163880, 10074245820, 20148491640]

約数ペア:

[(1, 20148491640), (2, 10074245820), (3, 6716163880), (4, 5037122910), (5, 4029698328), (6, 3358081940), (8, 2518561455), (10, 2014849164), (12, 1679040970), (15, 1343232776), (20, 1007424582), (24, 839520485), (30, 671616388), (40, 503712291), (60, 335808194), (120, 167904097), (353, 57077880), (706, 28538940), (1059, 19025960), (1412, 14269470), (1765, 11415576), (2118, 9512980), (2824, 7134735), (3530, 5707788), (4236, 4756490), (5295, 3805192), (7060, 2853894), (8472, 2378245), (10590, 1902596), (14120, 1426947), (21180, 951298), (42360, 475649)]