20853870089

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{4651}}^1$

素因数の和:5337

約数の個数: 24

約数和(自身を含む): 23148984672

約数和(自身を除く): 2295114583

約数列:

[1, 13, 43, 169, 559, 617, 4651, 7267, 8021, 26531, 60463, 104273, 199993, 344903, 786019, 2599909, 2869667, 4483739, 33798817, 37305671, 123395681, 484973723, 1604143853, 20853870089]

約数ペア:

[(1, 20853870089), (13, 1604143853), (43, 484973723), (169, 123395681), (559, 37305671), (617, 33798817), (4651, 4483739), (7267, 2869667), (8021, 2599909), (26531, 786019), (60463, 344903), (104273, 199993)]