20199435496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{51769}}^1$

素因数の和:51962

約数の個数: 64

約数和(自身を含む): 42492816000

約数和(自身を除く): 22293380504

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 151, 152, 302, 323, 604, 646, 1208, 1292, 2567, 2584, 2869, 5134, 5738, 10268, 11476, 20536, 22952, 48773, 51769, 97546, 103538, 195092, 207076, 390184, 414152, 880073, 983611, 1760146, 1967222, 3520292, 3934444, 7040584, 7817119, 7868888, 15634238, 16721387, 31268476, 33442774, 62536952, 66885548, 132891023, 133771096, 148525261, 265782046, 297050522, 531564092, 594101044, 1063128184, 1188202088, 2524929437, 5049858874, 10099717748, 20199435496]

約数ペア:

[(1, 20199435496), (2, 10099717748), (4, 5049858874), (8, 2524929437), (17, 1188202088), (19, 1063128184), (34, 594101044), (38, 531564092), (68, 297050522), (76, 265782046), (136, 148525261), (151, 133771096), (152, 132891023), (302, 66885548), (323, 62536952), (604, 33442774), (646, 31268476), (1208, 16721387), (1292, 15634238), (2567, 7868888), (2584, 7817119), (2869, 7040584), (5134, 3934444), (5738, 3520292), (10268, 1967222), (11476, 1760146), (20536, 983611), (22952, 880073), (48773, 414152), (51769, 390184), (97546, 207076), (103538, 195092)]