20199892509

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5305987}}^1$

素因数の和:5306046

約数の個数: 20

約数和(自身を含む): 30817178304

約数和(自身を除く): 10617285795

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5305987, 15917961, 47753883, 143261649, 249381389, 429784947, 748144167, 2244432501, 6733297503, 20199892509]

約数ペア:

[(1, 20199892509), (3, 6733297503), (9, 2244432501), (27, 748144167), (47, 429784947), (81, 249381389), (141, 143261649), (423, 47753883), (1269, 15917961), (3807, 5305987)]