20854864

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{24593}}^1$

素因数の和:24654

約数の個数: 20

約数和(自身を含む): 41170356

約数和(自身を除く): 20315492

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 24593, 49186, 98372, 196744, 393488, 1303429, 2606858, 5213716, 10427432, 20854864]

約数ペア:

[(1, 20854864), (2, 10427432), (4, 5213716), (8, 2606858), (16, 1303429), (53, 393488), (106, 196744), (212, 98372), (424, 49186), (848, 24593)]