20310970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28607}}^1$

素因数の和:28685

約数の個数: 16

約数和(自身を含む): 37075968

約数和(自身を除く): 16764998

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28607, 57214, 143035, 286070, 2031097, 4062194, 10155485, 20310970]

約数ペア:

[(1, 20310970), (2, 10155485), (5, 4062194), (10, 2031097), (71, 286070), (142, 143035), (355, 57214), (710, 28607)]