20603415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{619}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 37854720

約数和(自身を除く): 17251305

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 317, 619, 951, 1585, 1857, 2219, 3095, 4333, 4755, 6657, 9285, 11095, 12999, 21665, 33285, 64995, 196223, 588669, 981115, 1373561, 2943345, 4120683, 6867805, 20603415]

約数ペア:

[(1, 20603415), (3, 6867805), (5, 4120683), (7, 2943345), (15, 1373561), (21, 981115), (35, 588669), (105, 196223), (317, 64995), (619, 33285), (951, 21665), (1585, 12999), (1857, 11095), (2219, 9285), (3095, 6657), (4333, 4755)]