20403378

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59659}}^1$

素因数の和:59686

約数の個数: 24

約数和(自身を含む): 46534800

約数和(自身を除く): 26131422

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 59659, 119318, 178977, 357954, 536931, 1073862, 1133521, 2267042, 3400563, 6801126, 10201689, 20403378]

約数ペア:

[(1, 20403378), (2, 10201689), (3, 6801126), (6, 3400563), (9, 2267042), (18, 1133521), (19, 1073862), (38, 536931), (57, 357954), (114, 178977), (171, 119318), (342, 59659)]