20138025590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{207973}}^1$

素因数の和:208424

約数の個数: 32

約数和(自身を含む): 37914492096

約数和(自身を除く): 17776466506

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 421, 842, 2105, 4210, 9683, 19366, 48415, 96830, 207973, 415946, 1039865, 2079730, 4783379, 9566758, 23916895, 47833790, 87556633, 175113266, 437783165, 875566330, 2013802559, 4027605118, 10069012795, 20138025590]

約数ペア:

[(1, 20138025590), (2, 10069012795), (5, 4027605118), (10, 2013802559), (23, 875566330), (46, 437783165), (115, 175113266), (230, 87556633), (421, 47833790), (842, 23916895), (2105, 9566758), (4210, 4783379), (9683, 2079730), (19366, 1039865), (48415, 415946), (96830, 207973)]