20347108

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{229}}^2$

素因数の和:559

約数の個数: 18

約数和(自身を含む): 36132306

約数和(自身を除く): 15785198

約数列:

[1, 2, 4, 97, 194, 229, 388, 458, 916, 22213, 44426, 52441, 88852, 104882, 209764, 5086777, 10173554, 20347108]

約数ペア:

[(1, 20347108), (2, 10173554), (4, 5086777), (97, 209764), (194, 104882), (229, 88852), (388, 52441), (458, 44426), (916, 22213)]