20790406088

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3555131}}^1$

素因数の和:3555197

約数の個数: 32

約数和(自身を含む): 42234968160

約数和(自身を除く): 21444562072

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 5848, 3555131, 7110262, 14220524, 28441048, 60437227, 120874454, 152870633, 241748908, 305741266, 483497816, 611482532, 1222965064, 2598800761, 5197601522, 10395203044, 20790406088]

約数ペア:

[(1, 20790406088), (2, 10395203044), (4, 5197601522), (8, 2598800761), (17, 1222965064), (34, 611482532), (43, 483497816), (68, 305741266), (86, 241748908), (136, 152870633), (172, 120874454), (344, 60437227), (731, 28441048), (1462, 14220524), (2924, 7110262), (5848, 3555131)]