20380231060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7661741}}^1$

素因数の和:7661776

約数の個数: 48

約数和(自身を含む): 51486906240

約数和(自身を除く): 31106675180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7661741, 15323482, 30646964, 38308705, 53632187, 76617410, 107264374, 145573079, 153234820, 214528748, 268160935, 291146158, 536321870, 582292316, 727865395, 1019011553, 1072643740, 1455730790, 2038023106, 2911461580, 4076046212, 5095057765, 10190115530, 20380231060]

約数ペア:

[(1, 20380231060), (2, 10190115530), (4, 5095057765), (5, 4076046212), (7, 2911461580), (10, 2038023106), (14, 1455730790), (19, 1072643740), (20, 1019011553), (28, 727865395), (35, 582292316), (38, 536321870), (70, 291146158), (76, 268160935), (95, 214528748), (133, 153234820), (140, 145573079), (190, 107264374), (266, 76617410), (380, 53632187), (532, 38308705), (665, 30646964), (1330, 15323482), (2660, 7661741)]