20210654

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6679}}^1$

素因数の和:6787

約数の個数: 16

約数和(自身を含む): 32464800

約数和(自身を除く): 12254146

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6679, 13358, 113543, 227086, 594431, 1188862, 10105327, 20210654]

約数ペア:

[(1, 20210654), (2, 10105327), (17, 1188862), (34, 594431), (89, 227086), (178, 113543), (1513, 13358), (3026, 6679)]