20901248

素因数分解:

$2^7\times {\mathrm{283}}^1\times {\mathrm{577}}^1$

素因数の和:874

約数の個数: 32

約数和(自身を含む): 41858760

約数和(自身を除く): 20957512

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 283, 566, 577, 1132, 1154, 2264, 2308, 4528, 4616, 9056, 9232, 18112, 18464, 36224, 36928, 73856, 163291, 326582, 653164, 1306328, 2612656, 5225312, 10450624, 20901248]

約数ペア:

[(1, 20901248), (2, 10450624), (4, 5225312), (8, 2612656), (16, 1306328), (32, 653164), (64, 326582), (128, 163291), (283, 73856), (566, 36928), (577, 36224), (1132, 18464), (1154, 18112), (2264, 9232), (2308, 9056), (4528, 4616)]