20810719

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 22896000

約数和(自身を除く): 2085281

約数列:

[1, 19, 29, 179, 211, 551, 3401, 4009, 5191, 6119, 37769, 98629, 116261, 717611, 1095301, 20810719]

約数ペア:

[(1, 20810719), (19, 1095301), (29, 717611), (179, 116261), (211, 98629), (551, 37769), (3401, 6119), (4009, 5191)]