20890506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38261}}^1$

素因数の和:38286

約数の個数: 32

約数和(自身を含む): 51424128

約数和(自身を除く): 30533622

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 38261, 76522, 114783, 229566, 267827, 497393, 535654, 803481, 994786, 1492179, 1606962, 2984358, 3481751, 6963502, 10445253, 20890506]

約数ペア:

[(1, 20890506), (2, 10445253), (3, 6963502), (6, 3481751), (7, 2984358), (13, 1606962), (14, 1492179), (21, 994786), (26, 803481), (39, 535654), (42, 497393), (78, 267827), (91, 229566), (182, 114783), (273, 76522), (546, 38261)]