20199633888

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{71399}}^1$

素因数の和:71840

約数の個数: 96

約数和(自身を含む): 60743692800

約数和(自身を除く): 40544058912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 421, 672, 842, 1263, 1684, 2526, 2947, 3368, 5052, 5894, 6736, 8841, 10104, 11788, 13472, 17682, 20208, 23576, 35364, 40416, 47152, 70728, 71399, 94304, 141456, 142798, 214197, 282912, 285596, 428394, 499793, 571192, 856788, 999586, 1142384, 1499379, 1713576, 1999172, 2284768, 2998758, 3427152, 3998344, 5997516, 6854304, 7996688, 11995032, 15993376, 23990064, 30058979, 47980128, 60117958, 90176937, 120235916, 180353874, 210412853, 240471832, 360707748, 420825706, 480943664, 631238559, 721415496, 841651412, 961887328, 1262477118, 1442830992, 1683302824, 2524954236, 2885661984, 3366605648, 5049908472, 6733211296, 10099816944, 20199633888]

約数ペア:

[(1, 20199633888), (2, 10099816944), (3, 6733211296), (4, 5049908472), (6, 3366605648), (7, 2885661984), (8, 2524954236), (12, 1683302824), (14, 1442830992), (16, 1262477118), (21, 961887328), (24, 841651412), (28, 721415496), (32, 631238559), (42, 480943664), (48, 420825706), (56, 360707748), (84, 240471832), (96, 210412853), (112, 180353874), (168, 120235916), (224, 90176937), (336, 60117958), (421, 47980128), (672, 30058979), (842, 23990064), (1263, 15993376), (1684, 11995032), (2526, 7996688), (2947, 6854304), (3368, 5997516), (5052, 3998344), (5894, 3427152), (6736, 2998758), (8841, 2284768), (10104, 1999172), (11788, 1713576), (13472, 1499379), (17682, 1142384), (20208, 999586), (23576, 856788), (35364, 571192), (40416, 499793), (47152, 428394), (70728, 285596), (71399, 282912), (94304, 214197), (141456, 142798)]