20336945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1987}}^1$

素因数の和:2104

約数の個数: 16

約数和(自身を含む): 25764480

約数和(自身を除く): 5427535

約数列:

[1, 5, 23, 89, 115, 445, 1987, 2047, 9935, 10235, 45701, 176843, 228505, 884215, 4067389, 20336945]

約数ペア:

[(1, 20336945), (5, 4067389), (23, 884215), (89, 228505), (115, 176843), (445, 45701), (1987, 10235), (2047, 9935)]