20479942

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3943}}^1$

素因数の和:4012

約数の個数: 24

約数和(自身を含む): 36418896

約数和(自身を除く): 15938954

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 3943, 5194, 7886, 27601, 55202, 193207, 208979, 386414, 417958, 1462853, 2925706, 10239971, 20479942]

約数ペア:

[(1, 20479942), (2, 10239971), (7, 2925706), (14, 1462853), (49, 417958), (53, 386414), (98, 208979), (106, 193207), (371, 55202), (742, 27601), (2597, 7886), (3943, 5194)]