20653152

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 62717760

約数和(自身を除く): 42064608

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 67, 76, 78, 96, 104, 114, 134, 152, 156, 169, 201, 208, 228, 247, 268, 304, 312, 338, 402, 416, 456, 494, 507, 536, 608, 624, 676, 741, 804, 871, 912, 988, 1014, 1072, 1248, 1273, 1352, 1482, 1608, 1742, 1824, 1976, 2028, 2144, 2546, 2613, 2704, 2964, 3211, 3216, 3484, 3819, 3952, 4056, 5092, 5226, 5408, 5928, 6422, 6432, 6968, 7638, 7904, 8112, 9633, 10184, 10452, 11323, 11856, 12844, 13936, 15276, 16224, 16549, 19266, 20368, 20904, 22646, 23712, 25688, 27872, 30552, 33098, 33969, 38532, 40736, 41808, 45292, 49647, 51376, 61104, 66196, 67938, 77064, 83616, 90584, 99294, 102752, 122208, 132392, 135876, 154128, 181168, 198588, 215137, 264784, 271752, 308256, 362336, 397176, 430274, 529568, 543504, 645411, 794352, 860548, 1087008, 1290822, 1588704, 1721096, 2581644, 3442192, 5163288, 6884384, 10326576, 20653152]

約数ペア:

[(1, 20653152), (2, 10326576), (3, 6884384), (4, 5163288), (6, 3442192), (8, 2581644), (12, 1721096), (13, 1588704), (16, 1290822), (19, 1087008), (24, 860548), (26, 794352), (32, 645411), (38, 543504), (39, 529568), (48, 430274), (52, 397176), (57, 362336), (67, 308256), (76, 271752), (78, 264784), (96, 215137), (104, 198588), (114, 181168), (134, 154128), (152, 135876), (156, 132392), (169, 122208), (201, 102752), (208, 99294), (228, 90584), (247, 83616), (268, 77064), (304, 67938), (312, 66196), (338, 61104), (402, 51376), (416, 49647), (456, 45292), (494, 41808), (507, 40736), (536, 38532), (608, 33969), (624, 33098), (676, 30552), (741, 27872), (804, 25688), (871, 23712), (912, 22646), (988, 20904), (1014, 20368), (1072, 19266), (1248, 16549), (1273, 16224), (1352, 15276), (1482, 13936), (1608, 12844), (1742, 11856), (1824, 11323), (1976, 10452), (2028, 10184), (2144, 9633), (2546, 8112), (2613, 7904), (2704, 7638), (2964, 6968), (3211, 6432), (3216, 6422), (3484, 5928), (3819, 5408), (3952, 5226), (4056, 5092)]