20057518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1973}}^1$

素因数の和:2028

約数の個数: 32

約数和(自身を含む): 35816256

約数和(自身を除く): 15758738

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 299, 391, 442, 598, 782, 1973, 3946, 5083, 10166, 25649, 33541, 45379, 51298, 67082, 90758, 436033, 589927, 771443, 872066, 1179854, 1542886, 10028759, 20057518]

約数ペア:

[(1, 20057518), (2, 10028759), (13, 1542886), (17, 1179854), (23, 872066), (26, 771443), (34, 589927), (46, 436033), (221, 90758), (299, 67082), (391, 51298), (442, 45379), (598, 33541), (782, 25649), (1973, 10166), (3946, 5083)]