20009726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^2$

素因数の和:328

約数の個数: 24

約数和(自身を含む): 33617592

約数和(自身を除く): 13607866

約数列:

[1, 2, 11, 22, 53, 106, 131, 262, 583, 1166, 1441, 2882, 6943, 13886, 17161, 34322, 76373, 152746, 188771, 377542, 909533, 1819066, 10004863, 20009726]

約数ペア:

[(1, 20009726), (2, 10004863), (11, 1819066), (22, 909533), (53, 377542), (106, 188771), (131, 152746), (262, 76373), (583, 34322), (1166, 17161), (1441, 13886), (2882, 6943)]