20053910

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:512

約数の個数: 32

約数和(自身を含む): 37303200

約数和(自身を除く): 17249290

約数列:

[1, 2, 5, 10, 43, 86, 149, 215, 298, 313, 430, 626, 745, 1490, 1565, 3130, 6407, 12814, 13459, 26918, 32035, 46637, 64070, 67295, 93274, 134590, 233185, 466370, 2005391, 4010782, 10026955, 20053910]

約数ペア:

[(1, 20053910), (2, 10026955), (5, 4010782), (10, 2005391), (43, 466370), (86, 233185), (149, 134590), (215, 93274), (298, 67295), (313, 64070), (430, 46637), (626, 32035), (745, 26918), (1490, 13459), (1565, 12814), (3130, 6407)]