20507136

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 120

約数和(自身を含む): 59906880

約数和(自身を除く): 39399744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 79, 96, 104, 128, 156, 158, 169, 192, 208, 237, 256, 312, 316, 338, 384, 416, 474, 507, 512, 624, 632, 676, 768, 832, 948, 1014, 1027, 1248, 1264, 1352, 1536, 1664, 1896, 2028, 2054, 2496, 2528, 2704, 3081, 3328, 3792, 4056, 4108, 4992, 5056, 5408, 6162, 6656, 7584, 8112, 8216, 9984, 10112, 10816, 12324, 13351, 15168, 16224, 16432, 19968, 20224, 21632, 24648, 26702, 30336, 32448, 32864, 40053, 40448, 43264, 49296, 53404, 60672, 64896, 65728, 80106, 86528, 98592, 106808, 121344, 129792, 131456, 160212, 197184, 213616, 259584, 262912, 320424, 394368, 427232, 525824, 640848, 788736, 854464, 1281696, 1577472, 1708928, 2563392, 3417856, 5126784, 6835712, 10253568, 20507136]

約数ペア:

[(1, 20507136), (2, 10253568), (3, 6835712), (4, 5126784), (6, 3417856), (8, 2563392), (12, 1708928), (13, 1577472), (16, 1281696), (24, 854464), (26, 788736), (32, 640848), (39, 525824), (48, 427232), (52, 394368), (64, 320424), (78, 262912), (79, 259584), (96, 213616), (104, 197184), (128, 160212), (156, 131456), (158, 129792), (169, 121344), (192, 106808), (208, 98592), (237, 86528), (256, 80106), (312, 65728), (316, 64896), (338, 60672), (384, 53404), (416, 49296), (474, 43264), (507, 40448), (512, 40053), (624, 32864), (632, 32448), (676, 30336), (768, 26702), (832, 24648), (948, 21632), (1014, 20224), (1027, 19968), (1248, 16432), (1264, 16224), (1352, 15168), (1536, 13351), (1664, 12324), (1896, 10816), (2028, 10112), (2054, 9984), (2496, 8216), (2528, 8112), (2704, 7584), (3081, 6656), (3328, 6162), (3792, 5408), (4056, 5056), (4108, 4992)]