20177365136

素因数分解:

$2^4\times {\mathrm{78139}}^1\times {\mathrm{16139}}^1$

素因数の和:94286

約数の個数: 20

約数和(自身を含む): 39096567600

約数和(自身を除く): 18919202464

約数列:

[1, 2, 4, 8, 16, 16139, 32278, 64556, 78139, 129112, 156278, 258224, 312556, 625112, 1250224, 1261085321, 2522170642, 5044341284, 10088682568, 20177365136]

約数ペア:

[(1, 20177365136), (2, 10088682568), (4, 5044341284), (8, 2522170642), (16, 1261085321), (16139, 1250224), (32278, 625112), (64556, 312556), (78139, 258224), (129112, 156278)]