20151056

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 40812120

約数和(自身を除く): 20661064

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 137, 232, 274, 317, 464, 548, 634, 1096, 1268, 2192, 2536, 3973, 5072, 7946, 9193, 15892, 18386, 31784, 36772, 43429, 63568, 73544, 86858, 147088, 173716, 347432, 694864, 1259441, 2518882, 5037764, 10075528, 20151056]

約数ペア:

[(1, 20151056), (2, 10075528), (4, 5037764), (8, 2518882), (16, 1259441), (29, 694864), (58, 347432), (116, 173716), (137, 147088), (232, 86858), (274, 73544), (317, 63568), (464, 43429), (548, 36772), (634, 31784), (1096, 18386), (1268, 15892), (2192, 9193), (2536, 7946), (3973, 5072)]