20575488

素因数分解:

$2^8\times 3^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 55662208

約数和(自身を除く): 35086720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 73, 96, 128, 146, 192, 219, 256, 292, 367, 384, 438, 584, 734, 768, 876, 1101, 1168, 1468, 1752, 2202, 2336, 2936, 3504, 4404, 4672, 5872, 7008, 8808, 9344, 11744, 14016, 17616, 18688, 23488, 26791, 28032, 35232, 46976, 53582, 56064, 70464, 80373, 93952, 107164, 140928, 160746, 214328, 281856, 321492, 428656, 642984, 857312, 1285968, 1714624, 2571936, 3429248, 5143872, 6858496, 10287744, 20575488]

約数ペア:

[(1, 20575488), (2, 10287744), (3, 6858496), (4, 5143872), (6, 3429248), (8, 2571936), (12, 1714624), (16, 1285968), (24, 857312), (32, 642984), (48, 428656), (64, 321492), (73, 281856), (96, 214328), (128, 160746), (146, 140928), (192, 107164), (219, 93952), (256, 80373), (292, 70464), (367, 56064), (384, 53582), (438, 46976), (584, 35232), (734, 28032), (768, 26791), (876, 23488), (1101, 18688), (1168, 17616), (1468, 14016), (1752, 11744), (2202, 9344), (2336, 8808), (2936, 7008), (3504, 5872), (4404, 4672)]