20743212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 59834880

約数和(自身を除く): 39091668

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 41, 42, 57, 76, 82, 84, 114, 123, 133, 164, 228, 246, 266, 287, 317, 399, 492, 532, 574, 634, 779, 798, 861, 951, 1148, 1268, 1558, 1596, 1722, 1902, 2219, 2337, 3116, 3444, 3804, 4438, 4674, 5453, 6023, 6657, 8876, 9348, 10906, 12046, 12997, 13314, 16359, 18069, 21812, 24092, 25994, 26628, 32718, 36138, 38991, 42161, 51988, 65436, 72276, 77982, 84322, 90979, 126483, 155964, 168644, 181958, 246943, 252966, 272937, 363916, 493886, 505932, 545874, 740829, 987772, 1091748, 1481658, 1728601, 2963316, 3457202, 5185803, 6914404, 10371606, 20743212]

約数ペア:

[(1, 20743212), (2, 10371606), (3, 6914404), (4, 5185803), (6, 3457202), (7, 2963316), (12, 1728601), (14, 1481658), (19, 1091748), (21, 987772), (28, 740829), (38, 545874), (41, 505932), (42, 493886), (57, 363916), (76, 272937), (82, 252966), (84, 246943), (114, 181958), (123, 168644), (133, 155964), (164, 126483), (228, 90979), (246, 84322), (266, 77982), (287, 72276), (317, 65436), (399, 51988), (492, 42161), (532, 38991), (574, 36138), (634, 32718), (779, 26628), (798, 25994), (861, 24092), (951, 21812), (1148, 18069), (1268, 16359), (1558, 13314), (1596, 12997), (1722, 12046), (1902, 10906), (2219, 9348), (2337, 8876), (3116, 6657), (3444, 6023), (3804, 5453), (4438, 4674)]