20763512

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 49904640

約数和(自身を除く): 29141128

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 88, 148, 154, 259, 296, 308, 407, 518, 616, 814, 911, 1036, 1628, 1822, 2072, 2849, 3256, 3644, 5698, 6377, 7288, 10021, 11396, 12754, 20042, 22792, 25508, 33707, 40084, 51016, 67414, 70147, 80168, 134828, 140294, 235949, 269656, 280588, 370777, 471898, 561176, 741554, 943796, 1483108, 1887592, 2595439, 2966216, 5190878, 10381756, 20763512]

約数ペア:

[(1, 20763512), (2, 10381756), (4, 5190878), (7, 2966216), (8, 2595439), (11, 1887592), (14, 1483108), (22, 943796), (28, 741554), (37, 561176), (44, 471898), (56, 370777), (74, 280588), (77, 269656), (88, 235949), (148, 140294), (154, 134828), (259, 80168), (296, 70147), (308, 67414), (407, 51016), (518, 40084), (616, 33707), (814, 25508), (911, 22792), (1036, 20042), (1628, 12754), (1822, 11396), (2072, 10021), (2849, 7288), (3256, 6377), (3644, 5698)]