20809218237

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1\times {\mathrm{10837}}^1$

素因数の和:12517

約数の個数: 32

約数和(自身を含む): 30676568832

約数和(自身を除く): 9867350595

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 1637, 4911, 10837, 27829, 32511, 37651, 83487, 112953, 184229, 249251, 552687, 640067, 747753, 1920201, 4237267, 12711801, 17740169, 53220507, 301582873, 408023887, 904748619, 1224071661, 6936406079, 20809218237]

約数ペア:

[(1, 20809218237), (3, 6936406079), (17, 1224071661), (23, 904748619), (51, 408023887), (69, 301582873), (391, 53220507), (1173, 17740169), (1637, 12711801), (4911, 4237267), (10837, 1920201), (27829, 747753), (32511, 640067), (37651, 552687), (83487, 249251), (112953, 184229)]