20947324

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 37452800

約数和(自身を除く): 16505476

約数列:

[1, 2, 4, 79, 151, 158, 302, 316, 439, 604, 878, 1756, 11929, 23858, 34681, 47716, 66289, 69362, 132578, 138724, 265156, 5236831, 10473662, 20947324]

約数ペア:

[(1, 20947324), (2, 10473662), (4, 5236831), (79, 265156), (151, 138724), (158, 132578), (302, 69362), (316, 66289), (439, 47716), (604, 34681), (878, 23858), (1756, 11929)]