20147448

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 59097600

約数和(自身を除く): 38950152

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 23, 24, 34, 38, 46, 51, 57, 68, 69, 76, 92, 102, 113, 114, 136, 138, 152, 184, 204, 226, 228, 276, 323, 339, 391, 408, 437, 452, 456, 552, 646, 678, 782, 874, 904, 969, 1173, 1292, 1311, 1356, 1564, 1748, 1921, 1938, 2147, 2346, 2584, 2599, 2622, 2712, 3128, 3496, 3842, 3876, 4294, 4692, 5198, 5244, 5763, 6441, 7429, 7684, 7752, 7797, 8588, 9384, 10396, 10488, 11526, 12882, 14858, 15368, 15594, 17176, 20792, 22287, 23052, 25764, 29716, 31188, 36499, 44183, 44574, 46104, 49381, 51528, 59432, 62376, 72998, 88366, 89148, 98762, 109497, 132549, 145996, 148143, 176732, 178296, 197524, 218994, 265098, 291992, 296286, 353464, 395048, 437988, 530196, 592572, 839477, 875976, 1060392, 1185144, 1678954, 2518431, 3357908, 5036862, 6715816, 10073724, 20147448]

約数ペア:

[(1, 20147448), (2, 10073724), (3, 6715816), (4, 5036862), (6, 3357908), (8, 2518431), (12, 1678954), (17, 1185144), (19, 1060392), (23, 875976), (24, 839477), (34, 592572), (38, 530196), (46, 437988), (51, 395048), (57, 353464), (68, 296286), (69, 291992), (76, 265098), (92, 218994), (102, 197524), (113, 178296), (114, 176732), (136, 148143), (138, 145996), (152, 132549), (184, 109497), (204, 98762), (226, 89148), (228, 88366), (276, 72998), (323, 62376), (339, 59432), (391, 51528), (408, 49381), (437, 46104), (452, 44574), (456, 44183), (552, 36499), (646, 31188), (678, 29716), (782, 25764), (874, 23052), (904, 22287), (969, 20792), (1173, 17176), (1292, 15594), (1311, 15368), (1356, 14858), (1564, 12882), (1748, 11526), (1921, 10488), (1938, 10396), (2147, 9384), (2346, 8588), (2584, 7797), (2599, 7752), (2622, 7684), (2712, 7429), (3128, 6441), (3496, 5763), (3842, 5244), (3876, 5198), (4294, 4692)]