20561962

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{719}}^1$

素因数の和:981

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 10887638

約数列:

[1, 2, 79, 158, 181, 362, 719, 1438, 14299, 28598, 56801, 113602, 130139, 260278, 10280981, 20561962]

約数ペア:

[(1, 20561962), (2, 10280981), (79, 260278), (158, 130139), (181, 113602), (362, 56801), (719, 28598), (1438, 14299)]