20091781132

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{27109}}^1$

素因数の和:27326

約数の個数: 48

約数和(自身を含む): 37407462400

約数和(自身を除く): 17315681268

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 139, 172, 278, 556, 1333, 2666, 4309, 5332, 5977, 8618, 11954, 17236, 23908, 27109, 54218, 108436, 185287, 370574, 741148, 840379, 1165687, 1680758, 2331374, 3361516, 3768151, 4662748, 7536302, 15072604, 36136297, 72272594, 116812681, 144545188, 162030493, 233625362, 324060986, 467250724, 648121972, 5022945283, 10045890566, 20091781132]

約数ペア:

[(1, 20091781132), (2, 10045890566), (4, 5022945283), (31, 648121972), (43, 467250724), (62, 324060986), (86, 233625362), (124, 162030493), (139, 144545188), (172, 116812681), (278, 72272594), (556, 36136297), (1333, 15072604), (2666, 7536302), (4309, 4662748), (5332, 3768151), (5977, 3361516), (8618, 2331374), (11954, 1680758), (17236, 1165687), (23908, 840379), (27109, 741148), (54218, 370574), (108436, 185287)]