20899687568

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{49919}}^1$

素因数の和:50255

約数の個数: 40

約数和(自身を含む): 41003089920

約数和(自身を除く): 20103402352

約数列:

[1, 2, 4, 8, 16, 137, 191, 274, 382, 548, 764, 1096, 1528, 2192, 3056, 26167, 49919, 52334, 99838, 104668, 199676, 209336, 399352, 418672, 798704, 6838903, 9534529, 13677806, 19069058, 27355612, 38138116, 54711224, 76276232, 109422448, 152552464, 1306230473, 2612460946, 5224921892, 10449843784, 20899687568]

約数ペア:

[(1, 20899687568), (2, 10449843784), (4, 5224921892), (8, 2612460946), (16, 1306230473), (137, 152552464), (191, 109422448), (274, 76276232), (382, 54711224), (548, 38138116), (764, 27355612), (1096, 19069058), (1528, 13677806), (2192, 9534529), (3056, 6838903), (26167, 798704), (49919, 418672), (52334, 399352), (99838, 209336), (104668, 199676)]