20529766

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13177}}^1$

素因数の和:13239

約数の個数: 16

約数和(自身を含む): 33208560

約数和(自身を除く): 12678794

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13177, 26354, 250363, 500726, 540257, 1080514, 10264883, 20529766]

約数ペア:

[(1, 20529766), (2, 10264883), (19, 1080514), (38, 540257), (41, 500726), (82, 250363), (779, 26354), (1558, 13177)]