20308977

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7547}}^1$

素因数の和:7589

約数の個数: 24

約数和(自身を含む): 32969664

約数和(自身を除く): 12660687

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 7547, 22641, 67923, 98111, 173581, 294333, 520743, 882999, 1562229, 2256553, 6769659, 20308977]

約数ペア:

[(1, 20308977), (3, 6769659), (9, 2256553), (13, 1562229), (23, 882999), (39, 520743), (69, 294333), (117, 173581), (207, 98111), (299, 67923), (897, 22641), (2691, 7547)]