20251728

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 160

約数和(自身を含む): 68606720

約数和(自身を除く): 48354992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 37, 42, 48, 54, 56, 63, 72, 74, 84, 108, 111, 112, 126, 144, 148, 168, 181, 189, 216, 222, 252, 259, 296, 333, 336, 362, 378, 432, 444, 504, 518, 543, 592, 666, 724, 756, 777, 888, 999, 1008, 1036, 1086, 1267, 1332, 1448, 1512, 1554, 1629, 1776, 1998, 2072, 2172, 2331, 2534, 2664, 2896, 3024, 3108, 3258, 3801, 3996, 4144, 4344, 4662, 4887, 5068, 5328, 6216, 6516, 6697, 6993, 7602, 7992, 8688, 9324, 9774, 10136, 11403, 12432, 13032, 13394, 13986, 15204, 15984, 18648, 19548, 20091, 20272, 22806, 26064, 26788, 27972, 30408, 34209, 37296, 39096, 40182, 45612, 46879, 53576, 55944, 60273, 60816, 68418, 78192, 80364, 91224, 93758, 107152, 111888, 120546, 136836, 140637, 160728, 180819, 182448, 187516, 241092, 273672, 281274, 321456, 361638, 375032, 421911, 482184, 547344, 562548, 723276, 750064, 843822, 964368, 1125096, 1265733, 1446552, 1687644, 2250192, 2531466, 2893104, 3375288, 5062932, 6750576, 10125864, 20251728]

約数ペア:

[(1, 20251728), (2, 10125864), (3, 6750576), (4, 5062932), (6, 3375288), (7, 2893104), (8, 2531466), (9, 2250192), (12, 1687644), (14, 1446552), (16, 1265733), (18, 1125096), (21, 964368), (24, 843822), (27, 750064), (28, 723276), (36, 562548), (37, 547344), (42, 482184), (48, 421911), (54, 375032), (56, 361638), (63, 321456), (72, 281274), (74, 273672), (84, 241092), (108, 187516), (111, 182448), (112, 180819), (126, 160728), (144, 140637), (148, 136836), (168, 120546), (181, 111888), (189, 107152), (216, 93758), (222, 91224), (252, 80364), (259, 78192), (296, 68418), (333, 60816), (336, 60273), (362, 55944), (378, 53576), (432, 46879), (444, 45612), (504, 40182), (518, 39096), (543, 37296), (592, 34209), (666, 30408), (724, 27972), (756, 26788), (777, 26064), (888, 22806), (999, 20272), (1008, 20091), (1036, 19548), (1086, 18648), (1267, 15984), (1332, 15204), (1448, 13986), (1512, 13394), (1554, 13032), (1629, 12432), (1776, 11403), (1998, 10136), (2072, 9774), (2172, 9324), (2331, 8688), (2534, 7992), (2664, 7602), (2896, 6993), (3024, 6697), (3108, 6516), (3258, 6216), (3801, 5328), (3996, 5068), (4144, 4887), (4344, 4662)]