20428686

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6637}}^1$

素因数の和:6670

約数の個数: 40

約数和(自身を含む): 48191880

約数和(自身を除く): 27763194

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 6637, 13274, 19911, 39822, 59733, 119466, 126103, 179199, 252206, 358398, 378309, 537597, 756618, 1075194, 1134927, 2269854, 3404781, 6809562, 10214343, 20428686]

約数ペア:

[(1, 20428686), (2, 10214343), (3, 6809562), (6, 3404781), (9, 2269854), (18, 1134927), (19, 1075194), (27, 756618), (38, 537597), (54, 378309), (57, 358398), (81, 252206), (114, 179199), (162, 126103), (171, 119466), (342, 59733), (513, 39822), (1026, 19911), (1539, 13274), (3078, 6637)]