20180572551

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14655463}}^1$

素因数の和:14655492

約数の個数: 20

約数和(自身を含む): 31919600592

約数和(自身を除く): 11739028041

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14655463, 43966389, 131899167, 249142871, 395697501, 747428613, 1187092503, 2242285839, 6726857517, 20180572551]

約数ペア:

[(1, 20180572551), (3, 6726857517), (9, 2242285839), (17, 1187092503), (27, 747428613), (51, 395697501), (81, 249142871), (153, 131899167), (459, 43966389), (1377, 14655463)]