20199402128

素因数分解:

$2^4\times {\mathrm{21503}}^1\times {\mathrm{58711}}^1$

素因数の和:80222

約数の個数: 20

約数和(自身を含む): 39138828288

約数和(自身を除く): 18939426160

約数列:

[1, 2, 4, 8, 16, 21503, 43006, 58711, 86012, 117422, 172024, 234844, 344048, 469688, 939376, 1262462633, 2524925266, 5049850532, 10099701064, 20199402128]

約数ペア:

[(1, 20199402128), (2, 10099701064), (4, 5049850532), (8, 2524925266), (16, 1262462633), (21503, 939376), (43006, 469688), (58711, 344048), (86012, 234844), (117422, 172024)]