20501168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41333}}^1$

素因数の和:41372

約数の個数: 20

約数和(自身を含む): 41003328

約数和(自身を除く): 20502160

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41333, 82666, 165332, 330664, 661328, 1281323, 2562646, 5125292, 10250584, 20501168]

約数ペア:

[(1, 20501168), (2, 10250584), (4, 5125292), (8, 2562646), (16, 1281323), (31, 661328), (62, 330664), (124, 165332), (248, 82666), (496, 41333)]