66720944

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{23039}}^1$

素因数の和:23228

約数の個数: 20

約数和(自身を含む): 129991680

約数和(自身を除く): 63270736

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 23039, 46078, 92156, 184312, 368624, 4170059, 8340118, 16680236, 33360472, 66720944]

約数ペア:

[(1, 66720944), (2, 33360472), (4, 16680236), (8, 8340118), (16, 4170059), (181, 368624), (362, 184312), (724, 92156), (1448, 46078), (2896, 23039)]