20619312

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 61543680

約数和(自身を除く): 40924368

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 109, 112, 168, 218, 327, 336, 436, 563, 654, 763, 872, 1126, 1308, 1526, 1689, 1744, 2252, 2289, 2616, 3052, 3378, 3941, 4504, 4578, 5232, 6104, 6756, 7882, 9008, 9156, 11823, 12208, 13512, 15764, 18312, 23646, 27024, 31528, 36624, 47292, 61367, 63056, 94584, 122734, 184101, 189168, 245468, 368202, 429569, 490936, 736404, 859138, 981872, 1288707, 1472808, 1718276, 2577414, 2945616, 3436552, 5154828, 6873104, 10309656, 20619312]

約数ペア:

[(1, 20619312), (2, 10309656), (3, 6873104), (4, 5154828), (6, 3436552), (7, 2945616), (8, 2577414), (12, 1718276), (14, 1472808), (16, 1288707), (21, 981872), (24, 859138), (28, 736404), (42, 490936), (48, 429569), (56, 368202), (84, 245468), (109, 189168), (112, 184101), (168, 122734), (218, 94584), (327, 63056), (336, 61367), (436, 47292), (563, 36624), (654, 31528), (763, 27024), (872, 23646), (1126, 18312), (1308, 15764), (1526, 13512), (1689, 12208), (1744, 11823), (2252, 9156), (2289, 9008), (2616, 7882), (3052, 6756), (3378, 6104), (3941, 5232), (4504, 4578)]