20263595

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19391}}^1$

素因数の和:19426

約数の個数: 16

約数和(自身を含む): 27924480

約数和(自身を除く): 7660885

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19391, 96955, 213301, 368429, 1066505, 1842145, 4052719, 20263595]

約数ペア:

[(1, 20263595), (5, 4052719), (11, 1842145), (19, 1066505), (55, 368429), (95, 213301), (209, 96955), (1045, 19391)]