20672272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76001}}^1$

素因数の和:76026

約数の個数: 20

約数和(自身を含む): 42409116

約数和(自身を除く): 21736844

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76001, 152002, 304004, 608008, 1216016, 1292017, 2584034, 5168068, 10336136, 20672272]

約数ペア:

[(1, 20672272), (2, 10336136), (4, 5168068), (8, 2584034), (16, 1292017), (17, 1216016), (34, 608008), (68, 304004), (136, 152002), (272, 76001)]