20172787996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1\times {\mathrm{587}}^1$

素因数の和:1091

約数の個数: 96

約数和(自身を含む): 40102352640

約数和(自身を除く): 19929564644

約数列:

[1, 2, 4, 17, 19, 34, 38, 67, 68, 76, 134, 268, 323, 397, 587, 646, 794, 1139, 1174, 1273, 1292, 1588, 2278, 2348, 2546, 4556, 5092, 6749, 7543, 9979, 11153, 13498, 15086, 19958, 21641, 22306, 26599, 26996, 30172, 39329, 39916, 43282, 44612, 53198, 78658, 86564, 106396, 128231, 157316, 189601, 233039, 256462, 379202, 452183, 466078, 505381, 512924, 668593, 747251, 758404, 904366, 932156, 1010762, 1337186, 1494502, 1808732, 2021524, 2674372, 2989004, 3961663, 4427741, 7923326, 8591477, 8855482, 12703267, 15613613, 15846652, 17182954, 17710964, 25406534, 31227226, 34365908, 50813068, 62454452, 75271597, 150543194, 265431421, 296658647, 301086388, 530862842, 593317294, 1061725684, 1186634588, 5043196999, 10086393998, 20172787996]

約数ペア:

[(1, 20172787996), (2, 10086393998), (4, 5043196999), (17, 1186634588), (19, 1061725684), (34, 593317294), (38, 530862842), (67, 301086388), (68, 296658647), (76, 265431421), (134, 150543194), (268, 75271597), (323, 62454452), (397, 50813068), (587, 34365908), (646, 31227226), (794, 25406534), (1139, 17710964), (1174, 17182954), (1273, 15846652), (1292, 15613613), (1588, 12703267), (2278, 8855482), (2348, 8591477), (2546, 7923326), (4556, 4427741), (5092, 3961663), (6749, 2989004), (7543, 2674372), (9979, 2021524), (11153, 1808732), (13498, 1494502), (15086, 1337186), (19958, 1010762), (21641, 932156), (22306, 904366), (26599, 758404), (26996, 747251), (30172, 668593), (39329, 512924), (39916, 505381), (43282, 466078), (44612, 452183), (53198, 379202), (78658, 256462), (86564, 233039), (106396, 189601), (128231, 157316)]