20794816

素因数分解:

$2^6\times 7^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:394

約数の個数: 84

約数和(自身を含む): 50673000

約数和(自身を除く): 29878184

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 133, 152, 196, 224, 266, 304, 349, 392, 448, 532, 608, 698, 784, 931, 1064, 1216, 1396, 1568, 1862, 2128, 2443, 2792, 3136, 3724, 4256, 4886, 5584, 6631, 7448, 8512, 9772, 11168, 13262, 14896, 17101, 19544, 22336, 26524, 29792, 34202, 39088, 46417, 53048, 59584, 68404, 78176, 92834, 106096, 136808, 156352, 185668, 212192, 273616, 324919, 371336, 424384, 547232, 649838, 742672, 1094464, 1299676, 1485344, 2599352, 2970688, 5198704, 10397408, 20794816]

約数ペア:

[(1, 20794816), (2, 10397408), (4, 5198704), (7, 2970688), (8, 2599352), (14, 1485344), (16, 1299676), (19, 1094464), (28, 742672), (32, 649838), (38, 547232), (49, 424384), (56, 371336), (64, 324919), (76, 273616), (98, 212192), (112, 185668), (133, 156352), (152, 136808), (196, 106096), (224, 92834), (266, 78176), (304, 68404), (349, 59584), (392, 53048), (448, 46417), (532, 39088), (608, 34202), (698, 29792), (784, 26524), (931, 22336), (1064, 19544), (1216, 17101), (1396, 14896), (1568, 13262), (1862, 11168), (2128, 9772), (2443, 8512), (2792, 7448), (3136, 6631), (3724, 5584), (4256, 4886)]