20161971760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36003521}}^1$

素因数の和:36003541

約数の個数: 40

約数和(自身を含む): 53573240736

約数和(自身を除く): 33411268976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36003521, 72007042, 144014084, 180017605, 252024647, 288028168, 360035210, 504049294, 576056336, 720070420, 1008098588, 1260123235, 1440140840, 2016197176, 2520246470, 2880281680, 4032394352, 5040492940, 10080985880, 20161971760]

約数ペア:

[(1, 20161971760), (2, 10080985880), (4, 5040492940), (5, 4032394352), (7, 2880281680), (8, 2520246470), (10, 2016197176), (14, 1440140840), (16, 1260123235), (20, 1008098588), (28, 720070420), (35, 576056336), (40, 504049294), (56, 360035210), (70, 288028168), (80, 252024647), (112, 180017605), (140, 144014084), (280, 72007042), (560, 36003521)]