20194419

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8081}}^1$

素因数の和:8115

約数の個数: 24

約数和(自身を含む): 33168528

約数和(自身を除く): 12974109

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8081, 24243, 56567, 137377, 169701, 395969, 412131, 961639, 1187907, 2884917, 6731473, 20194419]

約数ペア:

[(1, 20194419), (3, 6731473), (7, 2884917), (17, 1187907), (21, 961639), (49, 412131), (51, 395969), (119, 169701), (147, 137377), (357, 56567), (833, 24243), (2499, 8081)]