20197802065

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10888303}}^1$

素因数の和:10888368

約数の個数: 16

約数和(自身を含む): 28222483968

約数和(自身を除く): 8024681903

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 10888303, 54441515, 76218121, 381090605, 577080059, 2885400295, 4039560413, 20197802065]

約数ペア:

[(1, 20197802065), (5, 4039560413), (7, 2885400295), (35, 577080059), (53, 381090605), (265, 76218121), (371, 54441515), (1855, 10888303)]