20300371

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5441}}^1$

素因数の和:5502

約数の個数: 16

約数和(自身を含む): 25599168

約数和(自身を除く): 5298797

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5441, 38087, 70733, 223081, 495131, 1561567, 2900053, 20300371]

約数ペア:

[(1, 20300371), (7, 2900053), (13, 1561567), (41, 495131), (91, 223081), (287, 70733), (533, 38087), (3731, 5441)]