20185168

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54851}}^1$

素因数の和:54882

約数の個数: 20

約数和(自身を含む): 40809888

約数和(自身を除く): 20624720

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54851, 109702, 219404, 438808, 877616, 1261573, 2523146, 5046292, 10092584, 20185168]

約数ペア:

[(1, 20185168), (2, 10092584), (4, 5046292), (8, 2523146), (16, 1261573), (23, 877616), (46, 438808), (92, 219404), (184, 109702), (368, 54851)]