20099758

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 37636704

約数和(自身を除く): 17536946

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 97, 133, 194, 266, 287, 361, 574, 679, 722, 779, 1358, 1558, 1843, 2527, 3686, 3977, 5054, 5453, 7954, 10906, 12901, 14801, 25802, 27839, 29602, 35017, 55678, 70034, 75563, 103607, 151126, 207214, 245119, 490238, 528941, 1057882, 1435697, 2871394, 10049879, 20099758]

約数ペア:

[(1, 20099758), (2, 10049879), (7, 2871394), (14, 1435697), (19, 1057882), (38, 528941), (41, 490238), (82, 245119), (97, 207214), (133, 151126), (194, 103607), (266, 75563), (287, 70034), (361, 55678), (574, 35017), (679, 29602), (722, 27839), (779, 25802), (1358, 14801), (1558, 12901), (1843, 10906), (2527, 7954), (3686, 5453), (3977, 5054)]