20125808

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17231}}^1$

素因数の和:17312

約数の個数: 20

約数和(自身を含む): 39530208

約数和(自身を除く): 19404400

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17231, 34462, 68924, 137848, 275696, 1257863, 2515726, 5031452, 10062904, 20125808]

約数ペア:

[(1, 20125808), (2, 10062904), (4, 5031452), (8, 2515726), (16, 1257863), (73, 275696), (146, 137848), (292, 68924), (584, 34462), (1168, 17231)]