20172642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1535

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 31252638

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 57, 102, 114, 119, 133, 238, 266, 323, 357, 399, 646, 714, 798, 969, 1487, 1938, 2261, 2974, 4461, 4522, 6783, 8922, 10409, 13566, 20818, 25279, 28253, 31227, 50558, 56506, 62454, 75837, 84759, 151674, 169518, 176953, 197771, 353906, 395542, 480301, 530859, 593313, 960602, 1061718, 1186626, 1440903, 2881806, 3362107, 6724214, 10086321, 20172642]

約数ペア:

[(1, 20172642), (2, 10086321), (3, 6724214), (6, 3362107), (7, 2881806), (14, 1440903), (17, 1186626), (19, 1061718), (21, 960602), (34, 593313), (38, 530859), (42, 480301), (51, 395542), (57, 353906), (102, 197771), (114, 176953), (119, 169518), (133, 151674), (238, 84759), (266, 75837), (323, 62454), (357, 56506), (399, 50558), (646, 31227), (714, 28253), (798, 25279), (969, 20818), (1487, 13566), (1938, 10409), (2261, 8922), (2974, 6783), (4461, 4522)]