20977367030

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3262421}}^1$

素因数の和:3263071

約数の個数: 16

約数和(自身を含む): 37817995824

約数和(自身を除く): 16840628794

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 3262421, 6524842, 16312105, 32624210, 2097736703, 4195473406, 10488683515, 20977367030]

約数ペア:

[(1, 20977367030), (2, 10488683515), (5, 4195473406), (10, 2097736703), (643, 32624210), (1286, 16312105), (3215, 6524842), (6430, 3262421)]