20331356

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 37330944

約数和(自身を除く): 16999588

約数列:

[1, 2, 4, 23, 46, 92, 223, 446, 892, 991, 1982, 3964, 5129, 10258, 20516, 22793, 45586, 91172, 220993, 441986, 883972, 5082839, 10165678, 20331356]

約数ペア:

[(1, 20331356), (2, 10165678), (4, 5082839), (23, 883972), (46, 441986), (92, 220993), (223, 91172), (446, 45586), (892, 22793), (991, 20516), (1982, 10258), (3964, 5129)]