20164974

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3109}}^1$

素因数の和:3184

約数の個数: 32

約数和(自身を含む): 42992640

約数和(自身を除く): 22827666

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 3109, 3243, 6218, 6486, 9327, 18654, 71507, 143014, 146123, 214521, 292246, 429042, 438369, 876738, 3360829, 6721658, 10082487, 20164974]

約数ペア:

[(1, 20164974), (2, 10082487), (3, 6721658), (6, 3360829), (23, 876738), (46, 438369), (47, 429042), (69, 292246), (94, 214521), (138, 146123), (141, 143014), (282, 71507), (1081, 18654), (2162, 9327), (3109, 6486), (3243, 6218)]