20082940423

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 26353712880

約数和(自身を除く): 6270772457

約数列:

[1, 7, 13, 29, 49, 91, 169, 203, 241, 347, 377, 637, 1183, 1421, 1687, 2429, 2639, 3133, 4511, 4901, 6989, 8281, 10063, 11809, 17003, 18473, 21931, 31577, 34307, 40729, 48923, 58643, 70441, 83627, 90857, 130819, 153517, 221039, 240149, 285103, 342461, 410501, 493087, 585389, 635999, 915733, 1087151, 1181141, 1700647, 1995721, 2425183, 2873507, 4097723, 4451993, 6410131, 7610057, 8267987, 11904529, 14132963, 16976281, 31527379, 53270399, 57875909, 83331703, 98930741, 118833967, 220691653, 409855927, 692515187, 1544841571, 2868991489, 20082940423]

約数ペア:

[(1, 20082940423), (7, 2868991489), (13, 1544841571), (29, 692515187), (49, 409855927), (91, 220691653), (169, 118833967), (203, 98930741), (241, 83331703), (347, 57875909), (377, 53270399), (637, 31527379), (1183, 16976281), (1421, 14132963), (1687, 11904529), (2429, 8267987), (2639, 7610057), (3133, 6410131), (4511, 4451993), (4901, 4097723), (6989, 2873507), (8281, 2425183), (10063, 1995721), (11809, 1700647), (17003, 1181141), (18473, 1087151), (21931, 915733), (31577, 635999), (34307, 585389), (40729, 493087), (48923, 410501), (58643, 342461), (70441, 285103), (83627, 240149), (90857, 221039), (130819, 153517)]