20654326868

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{259829}}^1$

素因数の和:260024

約数の個数: 48

約数和(自身を含む): 44000651520

約数和(自身を除く): 23346324652

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 167, 238, 334, 476, 668, 1169, 2338, 2839, 4676, 5678, 11356, 19873, 39746, 79492, 259829, 519658, 1039316, 1818803, 3637606, 4417093, 7275212, 8834186, 17668372, 30919651, 43391443, 61839302, 86782886, 123678604, 173565772, 303740101, 607480202, 737654531, 1214960404, 1475309062, 2950618124, 5163581717, 10327163434, 20654326868]

約数ペア:

[(1, 20654326868), (2, 10327163434), (4, 5163581717), (7, 2950618124), (14, 1475309062), (17, 1214960404), (28, 737654531), (34, 607480202), (68, 303740101), (119, 173565772), (167, 123678604), (238, 86782886), (334, 61839302), (476, 43391443), (668, 30919651), (1169, 17668372), (2338, 8834186), (2839, 7275212), (4676, 4417093), (5678, 3637606), (11356, 1818803), (19873, 1039316), (39746, 519658), (79492, 259829)]