20611953

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 31062720

約数和(自身を除く): 10450767

約数列:

[1, 3, 9, 29, 87, 151, 261, 453, 523, 1359, 1569, 4379, 4707, 13137, 15167, 39411, 45501, 78973, 136503, 236919, 710757, 2290217, 6870651, 20611953]

約数ペア:

[(1, 20611953), (3, 6870651), (9, 2290217), (29, 710757), (87, 236919), (151, 136503), (261, 78973), (453, 45501), (523, 39411), (1359, 15167), (1569, 13137), (4379, 4707)]