20219858770

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1\times {\mathrm{27281}}^1$

素因数の和:27966

約数の個数: 32

約数和(自身を含む): 36730520496

約数和(自身を除く): 16510661726

約数列:

[1, 2, 5, 10, 137, 274, 541, 685, 1082, 1370, 2705, 5410, 27281, 54562, 74117, 136405, 148234, 272810, 370585, 741170, 3737497, 7474994, 14759021, 18687485, 29518042, 37374970, 73795105, 147590210, 2021985877, 4043971754, 10109929385, 20219858770]

約数ペア:

[(1, 20219858770), (2, 10109929385), (5, 4043971754), (10, 2021985877), (137, 147590210), (274, 73795105), (541, 37374970), (685, 29518042), (1082, 18687485), (1370, 14759021), (2705, 7474994), (5410, 3737497), (27281, 741170), (54562, 370585), (74117, 272810), (136405, 148234)]