20749932

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1307}}^1$

素因数の和:1337

約数の個数: 90

約数和(自身を含む): 63148932

約数和(自身を除く): 42399000

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1307, 1323, 1764, 2268, 2614, 2646, 3921, 3969, 5228, 5292, 7842, 7938, 9149, 11763, 15684, 15876, 18298, 23526, 27447, 35289, 36596, 47052, 54894, 64043, 70578, 82341, 105867, 109788, 128086, 141156, 164682, 192129, 211734, 247023, 256172, 329364, 384258, 423468, 494046, 576387, 741069, 768516, 988092, 1152774, 1482138, 1729161, 2305548, 2964276, 3458322, 5187483, 6916644, 10374966, 20749932]

約数ペア:

[(1, 20749932), (2, 10374966), (3, 6916644), (4, 5187483), (6, 3458322), (7, 2964276), (9, 2305548), (12, 1729161), (14, 1482138), (18, 1152774), (21, 988092), (27, 768516), (28, 741069), (36, 576387), (42, 494046), (49, 423468), (54, 384258), (63, 329364), (81, 256172), (84, 247023), (98, 211734), (108, 192129), (126, 164682), (147, 141156), (162, 128086), (189, 109788), (196, 105867), (252, 82341), (294, 70578), (324, 64043), (378, 54894), (441, 47052), (567, 36596), (588, 35289), (756, 27447), (882, 23526), (1134, 18298), (1307, 15876), (1323, 15684), (1764, 11763), (2268, 9149), (2614, 7938), (2646, 7842), (3921, 5292), (3969, 5228)]