16820038

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 28257984

約数和(自身を除く): 11437946

約数列:

[1, 2, 17, 23, 34, 46, 137, 157, 274, 314, 391, 782, 2329, 2669, 3151, 3611, 4658, 5338, 6302, 7222, 21509, 43018, 53567, 61387, 107134, 122774, 365653, 494707, 731306, 989414, 8410019, 16820038]

約数ペア:

[(1, 16820038), (2, 8410019), (17, 989414), (23, 731306), (34, 494707), (46, 365653), (137, 122774), (157, 107134), (274, 61387), (314, 53567), (391, 43018), (782, 21509), (2329, 7222), (2669, 6302), (3151, 5338), (3611, 4658)]