20315090

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49549}}^1$

素因数の和:49597

約数の個数: 16

約数和(自身を含む): 37459800

約数和(自身を除く): 17144710

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49549, 99098, 247745, 495490, 2031509, 4063018, 10157545, 20315090]

約数ペア:

[(1, 20315090), (2, 10157545), (5, 4063018), (10, 2031509), (41, 495490), (82, 247745), (205, 99098), (410, 49549)]