20342272

素因数分解:

$2^9\times {\mathrm{67}}^1\times {\mathrm{593}}^1$

素因数の和:678

約数の個数: 40

約数和(自身を含む): 41321016

約数和(自身を除く): 20978744

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 512, 536, 593, 1072, 1186, 2144, 2372, 4288, 4744, 8576, 9488, 17152, 18976, 34304, 37952, 39731, 75904, 79462, 151808, 158924, 303616, 317848, 635696, 1271392, 2542784, 5085568, 10171136, 20342272]

約数ペア:

[(1, 20342272), (2, 10171136), (4, 5085568), (8, 2542784), (16, 1271392), (32, 635696), (64, 317848), (67, 303616), (128, 158924), (134, 151808), (256, 79462), (268, 75904), (512, 39731), (536, 37952), (593, 34304), (1072, 18976), (1186, 17152), (2144, 9488), (2372, 8576), (4288, 4744)]