20568896

素因数分解:

$2^6\times {\mathrm{557}}^1\times {\mathrm{577}}^1$

素因数の和:1146

約数の個数: 28

約数和(自身を含む): 40960548

約数和(自身を除く): 20391652

約数列:

[1, 2, 4, 8, 16, 32, 64, 557, 577, 1114, 1154, 2228, 2308, 4456, 4616, 8912, 9232, 17824, 18464, 35648, 36928, 321389, 642778, 1285556, 2571112, 5142224, 10284448, 20568896]

約数ペア:

[(1, 20568896), (2, 10284448), (4, 5142224), (8, 2571112), (16, 1285556), (32, 642778), (64, 321389), (557, 36928), (577, 35648), (1114, 18464), (1154, 17824), (2228, 9232), (2308, 8912), (4456, 4616)]