20152172912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{20759}}^1$

素因数の和:20910

約数の個数: 80

約数和(自身を含む): 42814759680

約数和(自身を除く): 22662586768

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 83, 86, 136, 166, 172, 272, 332, 344, 664, 688, 731, 1328, 1411, 1462, 2822, 2924, 3569, 5644, 5848, 7138, 11288, 11696, 14276, 20759, 22576, 28552, 41518, 57104, 60673, 83036, 121346, 166072, 242692, 332144, 352903, 485384, 705806, 892637, 970768, 1411612, 1722997, 1785274, 2823224, 3445994, 3570548, 5646448, 6891988, 7141096, 13783976, 14282192, 15174829, 27567952, 29290949, 30349658, 58581898, 60699316, 74088871, 117163796, 121398632, 148177742, 234327592, 242797264, 296355484, 468655184, 592710968, 1185421936, 1259510807, 2519021614, 5038043228, 10076086456, 20152172912]

約数ペア:

[(1, 20152172912), (2, 10076086456), (4, 5038043228), (8, 2519021614), (16, 1259510807), (17, 1185421936), (34, 592710968), (43, 468655184), (68, 296355484), (83, 242797264), (86, 234327592), (136, 148177742), (166, 121398632), (172, 117163796), (272, 74088871), (332, 60699316), (344, 58581898), (664, 30349658), (688, 29290949), (731, 27567952), (1328, 15174829), (1411, 14282192), (1462, 13783976), (2822, 7141096), (2924, 6891988), (3569, 5646448), (5644, 3570548), (5848, 3445994), (7138, 2823224), (11288, 1785274), (11696, 1722997), (14276, 1411612), (20759, 970768), (22576, 892637), (28552, 705806), (41518, 485384), (57104, 352903), (60673, 332144), (83036, 242692), (121346, 166072)]