20178077164

素因数分解:

$2^2\times 7^1\times {\mathrm{2141}}^1\times {\mathrm{336593}}^1$

素因数の和:338745

約数の個数: 24

約数和(自身を含む): 40375123488

約数和(自身を除く): 20197046324

約数列:

[1, 2, 4, 7, 14, 28, 2141, 4282, 8564, 14987, 29974, 59948, 336593, 673186, 1346372, 2356151, 4712302, 9424604, 720645613, 1441291226, 2882582452, 5044519291, 10089038582, 20178077164]

約数ペア:

[(1, 20178077164), (2, 10089038582), (4, 5044519291), (7, 2882582452), (14, 1441291226), (28, 720645613), (2141, 9424604), (4282, 4712302), (8564, 2356151), (14987, 1346372), (29974, 673186), (59948, 336593)]