20066400208

素因数分解:

$2^4\times {\mathrm{15313}}^1\times {\mathrm{81901}}^1$

素因数の和:97222

約数の個数: 20

約数和(自身を含む): 38881664068

約数和(自身を除く): 18815263860

約数列:

[1, 2, 4, 8, 16, 15313, 30626, 61252, 81901, 122504, 163802, 245008, 327604, 655208, 1310416, 1254150013, 2508300026, 5016600052, 10033200104, 20066400208]

約数ペア:

[(1, 20066400208), (2, 10033200104), (4, 5016600052), (8, 2508300026), (16, 1254150013), (15313, 1310416), (30626, 655208), (61252, 327604), (81901, 245008), (122504, 163802)]