20164790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1304

約数の個数: 32

約数和(自身を含む): 38425536

約数和(自身を除く): 18260746

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 365, 730, 1201, 1679, 2402, 3358, 6005, 8395, 12010, 16790, 27623, 55246, 87673, 138115, 175346, 276230, 438365, 876730, 2016479, 4032958, 10082395, 20164790]

約数ペア:

[(1, 20164790), (2, 10082395), (5, 4032958), (10, 2016479), (23, 876730), (46, 438365), (73, 276230), (115, 175346), (146, 138115), (230, 87673), (365, 55246), (730, 27623), (1201, 16790), (1679, 12010), (2402, 8395), (3358, 6005)]