20171288860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14205133}}^1$

素因数の和:14205213

約数の個数: 24

約数和(自身を含む): 42956325216

約数和(自身を除く): 22785036356

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14205133, 28410266, 56820532, 71025665, 142051330, 284102660, 1008564443, 2017128886, 4034257772, 5042822215, 10085644430, 20171288860]

約数ペア:

[(1, 20171288860), (2, 10085644430), (4, 5042822215), (5, 4034257772), (10, 2017128886), (20, 1008564443), (71, 284102660), (142, 142051330), (284, 71025665), (355, 56820532), (710, 28410266), (1420, 14205133)]