20808576

素因数分解:

$2^7\times 3^6\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 112

約数和(自身を含む): 62432160

約数和(自身を除く): 41623584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 223, 243, 288, 324, 384, 432, 446, 486, 576, 648, 669, 729, 864, 892, 972, 1152, 1296, 1338, 1458, 1728, 1784, 1944, 2007, 2592, 2676, 2916, 3456, 3568, 3888, 4014, 5184, 5352, 5832, 6021, 7136, 7776, 8028, 10368, 10704, 11664, 12042, 14272, 15552, 16056, 18063, 21408, 23328, 24084, 28544, 31104, 32112, 36126, 42816, 46656, 48168, 54189, 64224, 72252, 85632, 93312, 96336, 108378, 128448, 144504, 162567, 192672, 216756, 256896, 289008, 325134, 385344, 433512, 578016, 650268, 770688, 867024, 1156032, 1300536, 1734048, 2312064, 2601072, 3468096, 5202144, 6936192, 10404288, 20808576]

約数ペア:

[(1, 20808576), (2, 10404288), (3, 6936192), (4, 5202144), (6, 3468096), (8, 2601072), (9, 2312064), (12, 1734048), (16, 1300536), (18, 1156032), (24, 867024), (27, 770688), (32, 650268), (36, 578016), (48, 433512), (54, 385344), (64, 325134), (72, 289008), (81, 256896), (96, 216756), (108, 192672), (128, 162567), (144, 144504), (162, 128448), (192, 108378), (216, 96336), (223, 93312), (243, 85632), (288, 72252), (324, 64224), (384, 54189), (432, 48168), (446, 46656), (486, 42816), (576, 36126), (648, 32112), (669, 31104), (729, 28544), (864, 24084), (892, 23328), (972, 21408), (1152, 18063), (1296, 16056), (1338, 15552), (1458, 14272), (1728, 12042), (1784, 11664), (1944, 10704), (2007, 10368), (2592, 8028), (2676, 7776), (2916, 7136), (3456, 6021), (3568, 5832), (3888, 5352), (4014, 5184)]