20204856

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 48742344

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 49, 54, 56, 63, 69, 72, 83, 84, 92, 98, 108, 126, 138, 147, 161, 166, 168, 184, 189, 196, 207, 216, 249, 252, 276, 294, 322, 332, 378, 392, 414, 441, 483, 498, 504, 552, 581, 588, 621, 644, 664, 747, 756, 828, 882, 966, 996, 1127, 1162, 1176, 1242, 1288, 1323, 1449, 1494, 1512, 1656, 1743, 1764, 1909, 1932, 1992, 2241, 2254, 2324, 2484, 2646, 2898, 2988, 3381, 3486, 3528, 3818, 3864, 4067, 4347, 4482, 4508, 4648, 4968, 5229, 5292, 5727, 5796, 5976, 6762, 6972, 7636, 8134, 8694, 8964, 9016, 10143, 10458, 10584, 11454, 11592, 12201, 13363, 13524, 13944, 15272, 15687, 16268, 17181, 17388, 17928, 20286, 20916, 22908, 24402, 26726, 27048, 30429, 31374, 32536, 34362, 34776, 36603, 40089, 40572, 41832, 45816, 48804, 51543, 53452, 60858, 62748, 68724, 73206, 80178, 81144, 93541, 97608, 103086, 106904, 109809, 120267, 121716, 125496, 137448, 146412, 160356, 187082, 206172, 219618, 240534, 243432, 280623, 292824, 320712, 360801, 374164, 412344, 439236, 481068, 561246, 721602, 748328, 841869, 878472, 962136, 1122492, 1443204, 1683738, 2244984, 2525607, 2886408, 3367476, 5051214, 6734952, 10102428, 20204856]

約数ペア:

[(1, 20204856), (2, 10102428), (3, 6734952), (4, 5051214), (6, 3367476), (7, 2886408), (8, 2525607), (9, 2244984), (12, 1683738), (14, 1443204), (18, 1122492), (21, 962136), (23, 878472), (24, 841869), (27, 748328), (28, 721602), (36, 561246), (42, 481068), (46, 439236), (49, 412344), (54, 374164), (56, 360801), (63, 320712), (69, 292824), (72, 280623), (83, 243432), (84, 240534), (92, 219618), (98, 206172), (108, 187082), (126, 160356), (138, 146412), (147, 137448), (161, 125496), (166, 121716), (168, 120267), (184, 109809), (189, 106904), (196, 103086), (207, 97608), (216, 93541), (249, 81144), (252, 80178), (276, 73206), (294, 68724), (322, 62748), (332, 60858), (378, 53452), (392, 51543), (414, 48804), (441, 45816), (483, 41832), (498, 40572), (504, 40089), (552, 36603), (581, 34776), (588, 34362), (621, 32536), (644, 31374), (664, 30429), (747, 27048), (756, 26726), (828, 24402), (882, 22908), (966, 20916), (996, 20286), (1127, 17928), (1162, 17388), (1176, 17181), (1242, 16268), (1288, 15687), (1323, 15272), (1449, 13944), (1494, 13524), (1512, 13363), (1656, 12201), (1743, 11592), (1764, 11454), (1909, 10584), (1932, 10458), (1992, 10143), (2241, 9016), (2254, 8964), (2324, 8694), (2484, 8134), (2646, 7636), (2898, 6972), (2988, 6762), (3381, 5976), (3486, 5796), (3528, 5727), (3818, 5292), (3864, 5229), (4067, 4968), (4347, 4648), (4482, 4508)]