20349701624

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{257539}}^1$

素因数の和:257652

約数の個数: 64

約数和(自身を含む): 46728057600

約数和(自身を除く): 26378355976

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 83, 119, 136, 166, 238, 332, 476, 581, 664, 952, 1162, 1411, 2324, 2822, 4648, 5644, 9877, 11288, 19754, 39508, 79016, 257539, 515078, 1030156, 1802773, 2060312, 3605546, 4378163, 7211092, 8756326, 14422184, 17512652, 21375737, 30647141, 35025304, 42751474, 61294282, 85502948, 122588564, 149630159, 171005896, 245177128, 299260318, 363387529, 598520636, 726775058, 1197041272, 1453550116, 2543712703, 2907100232, 5087425406, 10174850812, 20349701624]

約数ペア:

[(1, 20349701624), (2, 10174850812), (4, 5087425406), (7, 2907100232), (8, 2543712703), (14, 1453550116), (17, 1197041272), (28, 726775058), (34, 598520636), (56, 363387529), (68, 299260318), (83, 245177128), (119, 171005896), (136, 149630159), (166, 122588564), (238, 85502948), (332, 61294282), (476, 42751474), (581, 35025304), (664, 30647141), (952, 21375737), (1162, 17512652), (1411, 14422184), (2324, 8756326), (2822, 7211092), (4648, 4378163), (5644, 3605546), (9877, 2060312), (11288, 1802773), (19754, 1030156), (39508, 515078), (79016, 257539)]