20298969

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{733}}^1$

素因数の和:937

約数の個数: 24

約数和(自身を含む): 31259592

約数和(自身を除く): 10960623

約数列:

[1, 3, 9, 17, 51, 153, 181, 543, 733, 1629, 2199, 3077, 6597, 9231, 12461, 27693, 37383, 112149, 132673, 398019, 1194057, 2255441, 6766323, 20298969]

約数ペア:

[(1, 20298969), (3, 6766323), (9, 2255441), (17, 1194057), (51, 398019), (153, 132673), (181, 112149), (543, 37383), (733, 27693), (1629, 12461), (2199, 9231), (3077, 6597)]