20497428

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1427}}^1$

素因数の和:1466

約数の個数: 96

約数和(自身を含む): 63974400

約数和(自身を除く): 43476972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1026, 1197, 1427, 1596, 2052, 2394, 2854, 3591, 4281, 4788, 5708, 7182, 8562, 9989, 12843, 14364, 17124, 19978, 25686, 27113, 29967, 38529, 39956, 51372, 54226, 59934, 77058, 81339, 89901, 108452, 119868, 154116, 162678, 179802, 189791, 244017, 269703, 325356, 359604, 379582, 488034, 539406, 569373, 732051, 759164, 976068, 1078812, 1138746, 1464102, 1708119, 2277492, 2928204, 3416238, 5124357, 6832476, 10248714, 20497428]

約数ペア:

[(1, 20497428), (2, 10248714), (3, 6832476), (4, 5124357), (6, 3416238), (7, 2928204), (9, 2277492), (12, 1708119), (14, 1464102), (18, 1138746), (19, 1078812), (21, 976068), (27, 759164), (28, 732051), (36, 569373), (38, 539406), (42, 488034), (54, 379582), (57, 359604), (63, 325356), (76, 269703), (84, 244017), (108, 189791), (114, 179802), (126, 162678), (133, 154116), (171, 119868), (189, 108452), (228, 89901), (252, 81339), (266, 77058), (342, 59934), (378, 54226), (399, 51372), (513, 39956), (532, 38529), (684, 29967), (756, 27113), (798, 25686), (1026, 19978), (1197, 17124), (1427, 14364), (1596, 12843), (2052, 9989), (2394, 8562), (2854, 7182), (3591, 5708), (4281, 4788)]