20727321

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 28354368

約数和(自身を除く): 7627047

約数列:

[1, 3, 67, 101, 201, 303, 1021, 3063, 6767, 20301, 68407, 103121, 205221, 309363, 6909107, 20727321]

約数ペア:

[(1, 20727321), (3, 6909107), (67, 309363), (101, 205221), (201, 103121), (303, 68407), (1021, 20301), (3063, 6767)]