20049005

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 25832520

約数和(自身を除く): 5783515

約数列:

[1, 5, 29, 37, 101, 145, 185, 505, 1073, 1369, 2929, 3737, 5365, 6845, 14645, 18685, 39701, 108373, 138269, 198505, 541865, 691345, 4009801, 20049005]

約数ペア:

[(1, 20049005), (5, 4009801), (29, 691345), (37, 541865), (101, 198505), (145, 138269), (185, 108373), (505, 39701), (1073, 18685), (1369, 14645), (2929, 6845), (3737, 5365)]