20356912

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15329}}^1$

素因数の和:15420

約数の個数: 20

約数和(自身を含む): 39919320

約数和(自身を除く): 19562408

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15329, 30658, 61316, 122632, 245264, 1272307, 2544614, 5089228, 10178456, 20356912]

約数ペア:

[(1, 20356912), (2, 10178456), (4, 5089228), (8, 2544614), (16, 1272307), (83, 245264), (166, 122632), (332, 61316), (664, 30658), (1328, 15329)]