20526486545

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{1109}}^1\times {\mathrm{12809}}^1$

素因数の和:13957

約数の個数: 24

約数和(自身を含む): 26191582200

約数和(自身を除く): 5665095655

約数列:

[1, 5, 17, 85, 289, 1109, 1445, 5545, 12809, 18853, 64045, 94265, 217753, 320501, 1088765, 1602505, 3701801, 14205181, 18509005, 71025905, 241488077, 1207440385, 4105297309, 20526486545]

約数ペア:

[(1, 20526486545), (5, 4105297309), (17, 1207440385), (85, 241488077), (289, 71025905), (1109, 18509005), (1445, 14205181), (5545, 3701801), (12809, 1602505), (18853, 1088765), (64045, 320501), (94265, 217753)]