20848256

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:122

約数の個数: 128

約数和(自身を含む): 52436160

約数和(自身を除く): 31587904

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 64, 67, 68, 88, 104, 128, 134, 136, 143, 176, 187, 208, 221, 268, 272, 286, 352, 374, 416, 442, 536, 544, 572, 704, 737, 748, 832, 871, 884, 1072, 1088, 1139, 1144, 1408, 1474, 1496, 1664, 1742, 1768, 2144, 2176, 2278, 2288, 2431, 2948, 2992, 3484, 3536, 4288, 4556, 4576, 4862, 5896, 5984, 6968, 7072, 8576, 9112, 9152, 9581, 9724, 11792, 11968, 12529, 13936, 14144, 14807, 18224, 18304, 19162, 19448, 23584, 23936, 25058, 27872, 28288, 29614, 36448, 38324, 38896, 47168, 50116, 55744, 59228, 72896, 76648, 77792, 94336, 100232, 111488, 118456, 145792, 153296, 155584, 162877, 200464, 236912, 306592, 311168, 325754, 400928, 473824, 613184, 651508, 801856, 947648, 1226368, 1303016, 1603712, 1895296, 2606032, 5212064, 10424128, 20848256]

約数ペア:

[(1, 20848256), (2, 10424128), (4, 5212064), (8, 2606032), (11, 1895296), (13, 1603712), (16, 1303016), (17, 1226368), (22, 947648), (26, 801856), (32, 651508), (34, 613184), (44, 473824), (52, 400928), (64, 325754), (67, 311168), (68, 306592), (88, 236912), (104, 200464), (128, 162877), (134, 155584), (136, 153296), (143, 145792), (176, 118456), (187, 111488), (208, 100232), (221, 94336), (268, 77792), (272, 76648), (286, 72896), (352, 59228), (374, 55744), (416, 50116), (442, 47168), (536, 38896), (544, 38324), (572, 36448), (704, 29614), (737, 28288), (748, 27872), (832, 25058), (871, 23936), (884, 23584), (1072, 19448), (1088, 19162), (1139, 18304), (1144, 18224), (1408, 14807), (1474, 14144), (1496, 13936), (1664, 12529), (1742, 11968), (1768, 11792), (2144, 9724), (2176, 9581), (2278, 9152), (2288, 9112), (2431, 8576), (2948, 7072), (2992, 6968), (3484, 5984), (3536, 5896), (4288, 4862), (4556, 4576)]