20419776

素因数分解:

$2^6\times 3^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 168

約数和(自身を含む): 66013584

約数和(自身を除く): 45593808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 101, 104, 108, 117, 144, 156, 162, 192, 202, 208, 216, 234, 243, 288, 303, 312, 324, 351, 404, 416, 432, 468, 486, 576, 606, 624, 648, 702, 808, 832, 864, 909, 936, 972, 1053, 1212, 1248, 1296, 1313, 1404, 1616, 1728, 1818, 1872, 1944, 2106, 2424, 2496, 2592, 2626, 2727, 2808, 3159, 3232, 3636, 3744, 3888, 3939, 4212, 4848, 5184, 5252, 5454, 5616, 6318, 6464, 7272, 7488, 7776, 7878, 8181, 8424, 9696, 10504, 10908, 11232, 11817, 12636, 14544, 15552, 15756, 16362, 16848, 19392, 21008, 21816, 22464, 23634, 24543, 25272, 29088, 31512, 32724, 33696, 35451, 42016, 43632, 47268, 49086, 50544, 58176, 63024, 65448, 67392, 70902, 84032, 87264, 94536, 98172, 101088, 106353, 126048, 130896, 141804, 174528, 189072, 196344, 202176, 212706, 252096, 261792, 283608, 319059, 378144, 392688, 425412, 523584, 567216, 638118, 756288, 785376, 850824, 1134432, 1276236, 1570752, 1701648, 2268864, 2552472, 3403296, 5104944, 6806592, 10209888, 20419776]

約数ペア:

[(1, 20419776), (2, 10209888), (3, 6806592), (4, 5104944), (6, 3403296), (8, 2552472), (9, 2268864), (12, 1701648), (13, 1570752), (16, 1276236), (18, 1134432), (24, 850824), (26, 785376), (27, 756288), (32, 638118), (36, 567216), (39, 523584), (48, 425412), (52, 392688), (54, 378144), (64, 319059), (72, 283608), (78, 261792), (81, 252096), (96, 212706), (101, 202176), (104, 196344), (108, 189072), (117, 174528), (144, 141804), (156, 130896), (162, 126048), (192, 106353), (202, 101088), (208, 98172), (216, 94536), (234, 87264), (243, 84032), (288, 70902), (303, 67392), (312, 65448), (324, 63024), (351, 58176), (404, 50544), (416, 49086), (432, 47268), (468, 43632), (486, 42016), (576, 35451), (606, 33696), (624, 32724), (648, 31512), (702, 29088), (808, 25272), (832, 24543), (864, 23634), (909, 22464), (936, 21816), (972, 21008), (1053, 19392), (1212, 16848), (1248, 16362), (1296, 15756), (1313, 15552), (1404, 14544), (1616, 12636), (1728, 11817), (1818, 11232), (1872, 10908), (1944, 10504), (2106, 9696), (2424, 8424), (2496, 8181), (2592, 7878), (2626, 7776), (2727, 7488), (2808, 7272), (3159, 6464), (3232, 6318), (3636, 5616), (3744, 5454), (3888, 5252), (3939, 5184), (4212, 4848)]