20878712

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{14419}}^1$

素因数の和:14606

約数の個数: 16

約数和(自身を含む): 39366600

約数和(自身を除く): 18487888

約数列:

[1, 2, 4, 8, 181, 362, 724, 1448, 14419, 28838, 57676, 115352, 2609839, 5219678, 10439356, 20878712]

約数ペア:

[(1, 20878712), (2, 10439356), (4, 5219678), (8, 2609839), (181, 115352), (362, 57676), (724, 28838), (1448, 14419)]