20628790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22669}}^1$

素因数の和:22696

約数の個数: 32

約数和(自身を含む): 45702720

約数和(自身を除く): 25073930

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 22669, 45338, 113345, 158683, 226690, 294697, 317366, 589394, 793415, 1473485, 1586830, 2062879, 2946970, 4125758, 10314395, 20628790]

約数ペア:

[(1, 20628790), (2, 10314395), (5, 4125758), (7, 2946970), (10, 2062879), (13, 1586830), (14, 1473485), (26, 793415), (35, 589394), (65, 317366), (70, 294697), (91, 226690), (130, 158683), (182, 113345), (455, 45338), (910, 22669)]