20341936880

素因数分解:

$2^4\times 5^1\times {\mathrm{254274211}}^1$

素因数の和:254274224

約数の個数: 20

約数和(自身を含む): 47295003432

約数和(自身を除く): 26953066552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 254274211, 508548422, 1017096844, 1271371055, 2034193688, 2542742110, 4068387376, 5085484220, 10170968440, 20341936880]

約数ペア:

[(1, 20341936880), (2, 10170968440), (4, 5085484220), (5, 4068387376), (8, 2542742110), (10, 2034193688), (16, 1271371055), (20, 1017096844), (40, 508548422), (80, 254274211)]