15720272

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{9539}}^1$

素因数の和:9650

約数の個数: 20

約数和(自身を含む): 30756960

約数和(自身を除く): 15036688

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 9539, 19078, 38156, 76312, 152624, 982517, 1965034, 3930068, 7860136, 15720272]

約数ペア:

[(1, 15720272), (2, 7860136), (4, 3930068), (8, 1965034), (16, 982517), (103, 152624), (206, 76312), (412, 38156), (824, 19078), (1648, 9539)]