20642430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2879}}^1$

素因数の和:3128

約数の個数: 32

約数和(自身を含む): 49766400

約数和(自身を除く): 29123970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 239, 478, 717, 1195, 1434, 2390, 2879, 3585, 5758, 7170, 8637, 14395, 17274, 28790, 43185, 86370, 688081, 1376162, 2064243, 3440405, 4128486, 6880810, 10321215, 20642430]

約数ペア:

[(1, 20642430), (2, 10321215), (3, 6880810), (5, 4128486), (6, 3440405), (10, 2064243), (15, 1376162), (30, 688081), (239, 86370), (478, 43185), (717, 28790), (1195, 17274), (1434, 14395), (2390, 8637), (2879, 7170), (3585, 5758)]