20873732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8951}}^1$

素因数の和:9019

約数の個数: 24

約数和(自身を含む): 40606272

約数和(自身を除く): 19732540

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8951, 17902, 35804, 98461, 196922, 393844, 474403, 948806, 1897612, 5218433, 10436866, 20873732]

約数ペア:

[(1, 20873732), (2, 10436866), (4, 5218433), (11, 1897612), (22, 948806), (44, 474403), (53, 393844), (106, 196922), (212, 98461), (583, 35804), (1166, 17902), (2332, 8951)]