15692505020

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{1220257}}^1$

素因数の和:1220909

約数の個数: 24

約数和(自身を含む): 33005538384

約数和(自身を除く): 17313033364

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 1220257, 2440514, 4881028, 6101285, 12202570, 24405140, 784625251, 1569250502, 3138501004, 3923126255, 7846252510, 15692505020]

約数ペア:

[(1, 15692505020), (2, 7846252510), (4, 3923126255), (5, 3138501004), (10, 1569250502), (20, 784625251), (643, 24405140), (1286, 12202570), (2572, 6101285), (3215, 4881028), (6430, 2440514), (12860, 1220257)]