20654418

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{64951}}^1$

素因数の和:65009

約数の個数: 16

約数和(自身を含む): 42088896

約数和(自身を除く): 21434478

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 64951, 129902, 194853, 389706, 3442403, 6884806, 10327209, 20654418]

約数ペア:

[(1, 20654418), (2, 10327209), (3, 6884806), (6, 3442403), (53, 389706), (106, 194853), (159, 129902), (318, 64951)]