20321378

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{2693}}^1$

素因数の和:2727

約数の個数: 32

約数和(自身を含む): 38793600

約数和(自身を除く): 18472222

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 343, 539, 686, 1078, 2693, 3773, 5386, 7546, 18851, 29623, 37702, 59246, 131957, 207361, 263914, 414722, 923699, 1451527, 1847398, 2903054, 10160689, 20321378]

約数ペア:

[(1, 20321378), (2, 10160689), (7, 2903054), (11, 1847398), (14, 1451527), (22, 923699), (49, 414722), (77, 263914), (98, 207361), (154, 131957), (343, 59246), (539, 37702), (686, 29623), (1078, 18851), (2693, 7546), (3773, 5386)]