20193488

素因数分解:

$2^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:664

約数の個数: 60

約数和(自身を含む): 46648800

約数和(自身を除く): 26455312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 86, 98, 112, 172, 196, 301, 344, 392, 599, 602, 688, 784, 1198, 1204, 2107, 2396, 2408, 4193, 4214, 4792, 4816, 8386, 8428, 9584, 16772, 16856, 25757, 29351, 33544, 33712, 51514, 58702, 67088, 103028, 117404, 180299, 206056, 234808, 360598, 412112, 469616, 721196, 1262093, 1442392, 2524186, 2884784, 5048372, 10096744, 20193488]

約数ペア:

[(1, 20193488), (2, 10096744), (4, 5048372), (7, 2884784), (8, 2524186), (14, 1442392), (16, 1262093), (28, 721196), (43, 469616), (49, 412112), (56, 360598), (86, 234808), (98, 206056), (112, 180299), (172, 117404), (196, 103028), (301, 67088), (344, 58702), (392, 51514), (599, 33712), (602, 33544), (688, 29351), (784, 25757), (1198, 16856), (1204, 16772), (2107, 9584), (2396, 8428), (2408, 8386), (4193, 4816), (4214, 4792)]