16390820

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1567}}^1$

素因数の和:2099

約数の個数: 24

約数和(自身を含む): 34508544

約数和(自身を除く): 18117724

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 1567, 2092, 2615, 3134, 5230, 6268, 7835, 10460, 15670, 31340, 819541, 1639082, 3278164, 4097705, 8195410, 16390820]

約数ペア:

[(1, 16390820), (2, 8195410), (4, 4097705), (5, 3278164), (10, 1639082), (20, 819541), (523, 31340), (1046, 15670), (1567, 10460), (2092, 7835), (2615, 6268), (3134, 5230)]