20955890

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44587}}^1$

素因数の和:44641

約数の個数: 16

約数和(自身を含む): 38524032

約数和(自身を除く): 17568142

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44587, 89174, 222935, 445870, 2095589, 4191178, 10477945, 20955890]

約数ペア:

[(1, 20955890), (2, 10477945), (5, 4191178), (10, 2095589), (47, 445870), (94, 222935), (235, 89174), (470, 44587)]