20105526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{971}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 30282954

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 29, 34, 42, 51, 58, 87, 102, 119, 174, 203, 238, 357, 406, 493, 609, 714, 971, 986, 1218, 1479, 1942, 2913, 2958, 3451, 5826, 6797, 6902, 10353, 13594, 16507, 20391, 20706, 28159, 33014, 40782, 49521, 56318, 84477, 99042, 115549, 168954, 197113, 231098, 346647, 394226, 478703, 591339, 693294, 957406, 1182678, 1436109, 2872218, 3350921, 6701842, 10052763, 20105526]

約数ペア:

[(1, 20105526), (2, 10052763), (3, 6701842), (6, 3350921), (7, 2872218), (14, 1436109), (17, 1182678), (21, 957406), (29, 693294), (34, 591339), (42, 478703), (51, 394226), (58, 346647), (87, 231098), (102, 197113), (119, 168954), (174, 115549), (203, 99042), (238, 84477), (357, 56318), (406, 49521), (493, 40782), (609, 33014), (714, 28159), (971, 20706), (986, 20391), (1218, 16507), (1479, 13594), (1942, 10353), (2913, 6902), (2958, 6797), (3451, 5826)]