20123202070

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1\times {\mathrm{25111}}^1$

素因数の和:25876

約数の個数: 32

約数和(自身を含む): 36566286336

約数和(自身を除く): 16443084266

約数列:

[1, 2, 5, 10, 127, 254, 631, 635, 1262, 1270, 3155, 6310, 25111, 50222, 80137, 125555, 160274, 251110, 400685, 801370, 3189097, 6378194, 15845041, 15945485, 31690082, 31890970, 79225205, 158450410, 2012320207, 4024640414, 10061601035, 20123202070]

約数ペア:

[(1, 20123202070), (2, 10061601035), (5, 4024640414), (10, 2012320207), (127, 158450410), (254, 79225205), (631, 31890970), (635, 31690082), (1262, 15945485), (1270, 15845041), (3155, 6378194), (6310, 3189097), (25111, 801370), (50222, 400685), (80137, 251110), (125555, 160274)]