20271328

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 52496640

約数和(自身を除く): 32225312

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 224, 266, 304, 308, 352, 418, 433, 532, 608, 616, 836, 866, 1064, 1232, 1463, 1672, 1732, 2128, 2464, 2926, 3031, 3344, 3464, 4256, 4763, 5852, 6062, 6688, 6928, 8227, 9526, 11704, 12124, 13856, 16454, 19052, 23408, 24248, 32908, 33341, 38104, 46816, 48496, 57589, 65816, 66682, 76208, 90497, 96992, 115178, 131632, 133364, 152416, 180994, 230356, 263264, 266728, 361988, 460712, 533456, 633479, 723976, 921424, 1066912, 1266958, 1447952, 1842848, 2533916, 2895904, 5067832, 10135664, 20271328]

約数ペア:

[(1, 20271328), (2, 10135664), (4, 5067832), (7, 2895904), (8, 2533916), (11, 1842848), (14, 1447952), (16, 1266958), (19, 1066912), (22, 921424), (28, 723976), (32, 633479), (38, 533456), (44, 460712), (56, 361988), (76, 266728), (77, 263264), (88, 230356), (112, 180994), (133, 152416), (152, 133364), (154, 131632), (176, 115178), (209, 96992), (224, 90497), (266, 76208), (304, 66682), (308, 65816), (352, 57589), (418, 48496), (433, 46816), (532, 38104), (608, 33341), (616, 32908), (836, 24248), (866, 23408), (1064, 19052), (1232, 16454), (1463, 13856), (1672, 12124), (1732, 11704), (2128, 9526), (2464, 8227), (2926, 6928), (3031, 6688), (3344, 6062), (3464, 5852), (4256, 4763)]