20126957780

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1435589}}^1$

素因数の和:1436299

約数の個数: 24

約数和(自身を含む): 42326935560

約数和(自身を除く): 22199977780

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2804, 3505, 7010, 14020, 1435589, 2871178, 5742356, 7177945, 14355890, 28711780, 1006347889, 2012695778, 4025391556, 5031739445, 10063478890, 20126957780]

約数ペア:

[(1, 20126957780), (2, 10063478890), (4, 5031739445), (5, 4025391556), (10, 2012695778), (20, 1006347889), (701, 28711780), (1402, 14355890), (2804, 7177945), (3505, 5742356), (7010, 2871178), (14020, 1435589)]