20937504

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4451}}^1$

素因数の和:4478

約数の個数: 72

約数和(自身を含む): 63948528

約数和(自身を除く): 43011024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4451, 4704, 8902, 13353, 17804, 26706, 31157, 35608, 53412, 62314, 71216, 93471, 106824, 124628, 142432, 186942, 213648, 218099, 249256, 373884, 427296, 436198, 498512, 654297, 747768, 872396, 997024, 1308594, 1495536, 1744792, 2617188, 2991072, 3489584, 5234376, 6979168, 10468752, 20937504]

約数ペア:

[(1, 20937504), (2, 10468752), (3, 6979168), (4, 5234376), (6, 3489584), (7, 2991072), (8, 2617188), (12, 1744792), (14, 1495536), (16, 1308594), (21, 997024), (24, 872396), (28, 747768), (32, 654297), (42, 498512), (48, 436198), (49, 427296), (56, 373884), (84, 249256), (96, 218099), (98, 213648), (112, 186942), (147, 142432), (168, 124628), (196, 106824), (224, 93471), (294, 71216), (336, 62314), (392, 53412), (588, 35608), (672, 31157), (784, 26706), (1176, 17804), (1568, 13353), (2352, 8902), (4451, 4704)]