20724768

素因数分解:

$2^5\times 3^3\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 64985760

約数和(自身を除く): 44260992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 32, 34, 36, 48, 51, 54, 68, 72, 83, 96, 102, 108, 136, 144, 153, 166, 204, 216, 249, 272, 288, 289, 306, 332, 408, 432, 459, 498, 544, 578, 612, 664, 747, 816, 864, 867, 918, 996, 1156, 1224, 1328, 1411, 1494, 1632, 1734, 1836, 1992, 2241, 2312, 2448, 2601, 2656, 2822, 2988, 3468, 3672, 3984, 4233, 4482, 4624, 4896, 5202, 5644, 5976, 6936, 7344, 7803, 7968, 8466, 8964, 9248, 10404, 11288, 11952, 12699, 13872, 14688, 15606, 16932, 17928, 20808, 22576, 23904, 23987, 25398, 27744, 31212, 33864, 35856, 38097, 41616, 45152, 47974, 50796, 62424, 67728, 71712, 71961, 76194, 83232, 95948, 101592, 124848, 135456, 143922, 152388, 191896, 203184, 215883, 249696, 287844, 304776, 383792, 406368, 431766, 575688, 609552, 647649, 767584, 863532, 1151376, 1219104, 1295298, 1727064, 2302752, 2590596, 3454128, 5181192, 6908256, 10362384, 20724768]

約数ペア:

[(1, 20724768), (2, 10362384), (3, 6908256), (4, 5181192), (6, 3454128), (8, 2590596), (9, 2302752), (12, 1727064), (16, 1295298), (17, 1219104), (18, 1151376), (24, 863532), (27, 767584), (32, 647649), (34, 609552), (36, 575688), (48, 431766), (51, 406368), (54, 383792), (68, 304776), (72, 287844), (83, 249696), (96, 215883), (102, 203184), (108, 191896), (136, 152388), (144, 143922), (153, 135456), (166, 124848), (204, 101592), (216, 95948), (249, 83232), (272, 76194), (288, 71961), (289, 71712), (306, 67728), (332, 62424), (408, 50796), (432, 47974), (459, 45152), (498, 41616), (544, 38097), (578, 35856), (612, 33864), (664, 31212), (747, 27744), (816, 25398), (864, 23987), (867, 23904), (918, 22576), (996, 20808), (1156, 17928), (1224, 16932), (1328, 15606), (1411, 14688), (1494, 13872), (1632, 12699), (1734, 11952), (1836, 11288), (1992, 10404), (2241, 9248), (2312, 8964), (2448, 8466), (2601, 7968), (2656, 7803), (2822, 7344), (2988, 6936), (3468, 5976), (3672, 5644), (3984, 5202), (4233, 4896), (4482, 4624)]