201636620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113279}}^1$

素因数の和:113377

約数の個数: 24

約数和(自身を含む): 428198400

約数和(自身を除く): 226561780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 113279, 226558, 453116, 566395, 1132790, 2265580, 10081831, 20163662, 40327324, 50409155, 100818310, 201636620]

約数ペア:

[(1, 201636620), (2, 100818310), (4, 50409155), (5, 40327324), (10, 20163662), (20, 10081831), (89, 2265580), (178, 1132790), (356, 566395), (445, 453116), (890, 226558), (1780, 113279)]