20145785584

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30710039}}^1$

素因数の和:30710088

約数の個数: 20

約数和(自身を含む): 39984472080

約数和(自身を除く): 19838686496

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30710039, 61420078, 122840156, 245680312, 491360624, 1259111599, 2518223198, 5036446396, 10072892792, 20145785584]

約数ペア:

[(1, 20145785584), (2, 10072892792), (4, 5036446396), (8, 2518223198), (16, 1259111599), (41, 491360624), (82, 245680312), (164, 122840156), (328, 61420078), (656, 30710039)]