20409802

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20533}}^1$

素因数の和:20613

約数の個数: 16

約数和(自身を含む): 35482752

約数和(自身を除く): 15072950

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20533, 41066, 143731, 287462, 1457843, 2915686, 10204901, 20409802]

約数ペア:

[(1, 20409802), (2, 10204901), (7, 2915686), (14, 1457843), (71, 287462), (142, 143731), (497, 41066), (994, 20533)]