20565887989

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{8681}}^1$

素因数の和:8877

約数の個数: 32

約数和(自身を含む): 23313878784

約数和(自身を除く): 2747990795

約数列:

[1, 17, 23, 73, 83, 391, 1241, 1411, 1679, 1909, 6059, 8681, 28543, 32453, 103003, 139357, 147577, 199663, 633713, 720523, 2369069, 3394271, 10773121, 12248891, 14575399, 16572029, 52598179, 247781783, 281724493, 894169043, 1209758117, 20565887989]

約数ペア:

[(1, 20565887989), (17, 1209758117), (23, 894169043), (73, 281724493), (83, 247781783), (391, 52598179), (1241, 16572029), (1411, 14575399), (1679, 12248891), (1909, 10773121), (6059, 3394271), (8681, 2369069), (28543, 720523), (32453, 633713), (103003, 199663), (139357, 147577)]