20878338

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{267671}}^1$

素因数の和:267689

約数の個数: 16

約数和(自身を含む): 44968896

約数和(自身を除く): 24090558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 267671, 535342, 803013, 1606026, 3479723, 6959446, 10439169, 20878338]

約数ペア:

[(1, 20878338), (2, 10439169), (3, 6959446), (6, 3479723), (13, 1606026), (26, 803013), (39, 535342), (78, 267671)]