20176983477

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{7027}}^1$

素因数の和:7447

約数の個数: 72

約数和(自身を含む): 35995954176

約数和(自身を除く): 15818970699

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 383, 441, 833, 1071, 1149, 2499, 2681, 3447, 6511, 7027, 7497, 8043, 18767, 19533, 21081, 24129, 45577, 49189, 56301, 58599, 63243, 119459, 136731, 147567, 168903, 319039, 344323, 358377, 410193, 442701, 836213, 957117, 1032969, 1075131, 2508639, 2691341, 2871351, 3098907, 5853491, 7525917, 8074023, 17560473, 18839387, 24222069, 45752797, 52681419, 56518161, 131875709, 137258391, 169554483, 320269579, 395627127, 411775173, 960808737, 1186881381, 2241887053, 2882426211, 6725661159, 20176983477]

約数ペア:

[(1, 20176983477), (3, 6725661159), (7, 2882426211), (9, 2241887053), (17, 1186881381), (21, 960808737), (49, 411775173), (51, 395627127), (63, 320269579), (119, 169554483), (147, 137258391), (153, 131875709), (357, 56518161), (383, 52681419), (441, 45752797), (833, 24222069), (1071, 18839387), (1149, 17560473), (2499, 8074023), (2681, 7525917), (3447, 5853491), (6511, 3098907), (7027, 2871351), (7497, 2691341), (8043, 2508639), (18767, 1075131), (19533, 1032969), (21081, 957117), (24129, 836213), (45577, 442701), (49189, 410193), (56301, 358377), (58599, 344323), (63243, 319039), (119459, 168903), (136731, 147567)]