20131562860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3116341}}^1$

素因数の和:3116386

約数の個数: 48

約数和(自身を含む): 47119091040

約数和(自身を除く): 26987528180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 3116341, 6232682, 12465364, 15581705, 31163410, 52977797, 59210479, 62326820, 105955594, 118420958, 211911188, 236841916, 264888985, 296052395, 529777970, 592104790, 1006578143, 1059555940, 1184209580, 2013156286, 4026312572, 5032890715, 10065781430, 20131562860]

約数ペア:

[(1, 20131562860), (2, 10065781430), (4, 5032890715), (5, 4026312572), (10, 2013156286), (17, 1184209580), (19, 1059555940), (20, 1006578143), (34, 592104790), (38, 529777970), (68, 296052395), (76, 264888985), (85, 236841916), (95, 211911188), (170, 118420958), (190, 105955594), (323, 62326820), (340, 59210479), (380, 52977797), (646, 31163410), (1292, 15581705), (1615, 12465364), (3230, 6232682), (6460, 3116341)]