20512139765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5954177}}^1$

素因数の和:5954248

約数の個数: 16

約数和(自身を含む): 27008151408

約数和(自身を除く): 6496011643

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 5954177, 29770885, 77404301, 315571381, 387021505, 1577856905, 4102427953, 20512139765]

約数ペア:

[(1, 20512139765), (5, 4102427953), (13, 1577856905), (53, 387021505), (65, 315571381), (265, 77404301), (689, 29770885), (3445, 5954177)]