20924904

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 71677440

約数和(自身を除く): 50752536

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 67, 77, 78, 84, 88, 91, 104, 132, 134, 143, 154, 156, 168, 169, 182, 201, 231, 264, 268, 273, 286, 308, 312, 338, 364, 402, 429, 462, 469, 507, 536, 546, 572, 616, 676, 728, 737, 804, 858, 871, 924, 938, 1001, 1014, 1092, 1144, 1183, 1352, 1407, 1474, 1608, 1716, 1742, 1848, 1859, 1876, 2002, 2028, 2184, 2211, 2366, 2613, 2814, 2948, 3003, 3432, 3484, 3549, 3718, 3752, 4004, 4056, 4422, 4732, 5159, 5226, 5577, 5628, 5896, 6006, 6097, 6968, 7098, 7436, 8008, 8844, 9464, 9581, 10318, 10452, 11154, 11256, 11323, 12012, 12194, 13013, 14196, 14872, 15477, 17688, 18291, 19162, 20636, 20904, 22308, 22646, 24024, 24388, 26026, 28392, 28743, 30954, 33969, 36582, 38324, 39039, 41272, 44616, 45292, 48776, 52052, 57486, 61908, 67067, 67938, 73164, 76648, 78078, 79261, 90584, 104104, 114972, 123816, 124553, 134134, 135876, 146328, 156156, 158522, 201201, 229944, 237783, 249106, 268268, 271752, 312312, 317044, 373659, 402402, 475566, 498212, 536536, 634088, 747318, 804804, 871871, 951132, 996424, 1494636, 1609608, 1743742, 1902264, 2615613, 2989272, 3487484, 5231226, 6974968, 10462452, 20924904]

約数ペア:

[(1, 20924904), (2, 10462452), (3, 6974968), (4, 5231226), (6, 3487484), (7, 2989272), (8, 2615613), (11, 1902264), (12, 1743742), (13, 1609608), (14, 1494636), (21, 996424), (22, 951132), (24, 871871), (26, 804804), (28, 747318), (33, 634088), (39, 536536), (42, 498212), (44, 475566), (52, 402402), (56, 373659), (66, 317044), (67, 312312), (77, 271752), (78, 268268), (84, 249106), (88, 237783), (91, 229944), (104, 201201), (132, 158522), (134, 156156), (143, 146328), (154, 135876), (156, 134134), (168, 124553), (169, 123816), (182, 114972), (201, 104104), (231, 90584), (264, 79261), (268, 78078), (273, 76648), (286, 73164), (308, 67938), (312, 67067), (338, 61908), (364, 57486), (402, 52052), (429, 48776), (462, 45292), (469, 44616), (507, 41272), (536, 39039), (546, 38324), (572, 36582), (616, 33969), (676, 30954), (728, 28743), (737, 28392), (804, 26026), (858, 24388), (871, 24024), (924, 22646), (938, 22308), (1001, 20904), (1014, 20636), (1092, 19162), (1144, 18291), (1183, 17688), (1352, 15477), (1407, 14872), (1474, 14196), (1608, 13013), (1716, 12194), (1742, 12012), (1848, 11323), (1859, 11256), (1876, 11154), (2002, 10452), (2028, 10318), (2184, 9581), (2211, 9464), (2366, 8844), (2613, 8008), (2814, 7436), (2948, 7098), (3003, 6968), (3432, 6097), (3484, 6006), (3549, 5896), (3718, 5628), (3752, 5577), (4004, 5226), (4056, 5159), (4422, 4732)]