20178848678

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{15787}}^1\times {\mathrm{10477}}^1$

素因数の和:26327

約数の個数: 16

約数和(自身を含む): 30769359504

約数和(自身を除く): 10590510826

約数列:

[1, 2, 61, 122, 10477, 15787, 20954, 31574, 639097, 963007, 1278194, 1926014, 165400399, 330800798, 10089424339, 20178848678]

約数ペア:

[(1, 20178848678), (2, 10089424339), (61, 330800798), (122, 165400399), (10477, 1926014), (15787, 1278194), (20954, 963007), (31574, 639097)]