20855009410

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19490663}}^1$

素因数の和:19490777

約数の個数: 16

約数和(自身を含む): 37889850816

約数和(自身を除く): 17034841406

約数列:

[1, 2, 5, 10, 107, 214, 535, 1070, 19490663, 38981326, 97453315, 194906630, 2085500941, 4171001882, 10427504705, 20855009410]

約数ペア:

[(1, 20855009410), (2, 10427504705), (5, 4171001882), (10, 2085500941), (107, 194906630), (214, 97453315), (535, 38981326), (1070, 19490663)]