20805418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{911}}^1$

素因数の和:1533

約数の個数: 16

約数和(自身を含む): 32941440

約数和(自身を除く): 12136022

約数列:

[1, 2, 19, 38, 601, 911, 1202, 1822, 11419, 17309, 22838, 34618, 547511, 1095022, 10402709, 20805418]

約数ペア:

[(1, 20805418), (2, 10402709), (19, 1095022), (38, 547511), (601, 34618), (911, 22838), (1202, 17309), (1822, 11419)]