20061140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 46678464

約数和(自身を除く): 26617324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1361, 1474, 2722, 2948, 3685, 5444, 6805, 7370, 13610, 14740, 14971, 27220, 29942, 59884, 74855, 91187, 149710, 182374, 299420, 364748, 455935, 911870, 1003057, 1823740, 2006114, 4012228, 5015285, 10030570, 20061140]

約数ペア:

[(1, 20061140), (2, 10030570), (4, 5015285), (5, 4012228), (10, 2006114), (11, 1823740), (20, 1003057), (22, 911870), (44, 455935), (55, 364748), (67, 299420), (110, 182374), (134, 149710), (220, 91187), (268, 74855), (335, 59884), (670, 29942), (737, 27220), (1340, 14971), (1361, 14740), (1474, 13610), (2722, 7370), (2948, 6805), (3685, 5444)]