20967296

素因数分解:

$2^7\times 7^2\times {\mathrm{3343}}^1$

素因数の和:3371

約数の個数: 48

約数和(自身を含む): 48605040

約数和(自身を除く): 27637744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 3343, 6272, 6686, 13372, 23401, 26744, 46802, 53488, 93604, 106976, 163807, 187208, 213952, 327614, 374416, 427904, 655228, 748832, 1310456, 1497664, 2620912, 2995328, 5241824, 10483648, 20967296]

約数ペア:

[(1, 20967296), (2, 10483648), (4, 5241824), (7, 2995328), (8, 2620912), (14, 1497664), (16, 1310456), (28, 748832), (32, 655228), (49, 427904), (56, 374416), (64, 327614), (98, 213952), (112, 187208), (128, 163807), (196, 106976), (224, 93604), (392, 53488), (448, 46802), (784, 26744), (896, 23401), (1568, 13372), (3136, 6686), (3343, 6272)]