20407628

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2011}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 37181760

約数和(自身を除く): 16774132

約数列:

[1, 2, 4, 43, 59, 86, 118, 172, 236, 2011, 2537, 4022, 5074, 8044, 10148, 86473, 118649, 172946, 237298, 345892, 474596, 5101907, 10203814, 20407628]

約数ペア:

[(1, 20407628), (2, 10203814), (4, 5101907), (43, 474596), (59, 345892), (86, 237298), (118, 172946), (172, 118649), (236, 86473), (2011, 10148), (2537, 8044), (4022, 5074)]