20262245

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1412

約数の個数: 16

約数和(自身を含む): 25240512

約数和(自身を除く): 4978267

約数列:

[1, 5, 43, 73, 215, 365, 1291, 3139, 6455, 15695, 55513, 94243, 277565, 471215, 4052449, 20262245]

約数ペア:

[(1, 20262245), (5, 4052449), (43, 471215), (73, 277565), (215, 94243), (365, 55513), (1291, 15695), (3139, 6455)]