20953656

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 64654200

約数和(自身を除く): 43700544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 19, 24, 34, 36, 38, 51, 53, 57, 68, 72, 76, 102, 106, 114, 136, 152, 153, 159, 171, 204, 212, 228, 289, 306, 318, 323, 342, 408, 424, 456, 477, 578, 612, 636, 646, 684, 867, 901, 954, 969, 1007, 1156, 1224, 1272, 1292, 1368, 1734, 1802, 1908, 1938, 2014, 2312, 2584, 2601, 2703, 2907, 3021, 3468, 3604, 3816, 3876, 4028, 5202, 5406, 5491, 5814, 6042, 6936, 7208, 7752, 8056, 8109, 9063, 10404, 10812, 10982, 11628, 12084, 15317, 16218, 16473, 17119, 18126, 20808, 21624, 21964, 23256, 24168, 30634, 32436, 32946, 34238, 36252, 43928, 45951, 49419, 51357, 61268, 64872, 65892, 68476, 72504, 91902, 98838, 102714, 122536, 131784, 136952, 137853, 154071, 183804, 197676, 205428, 275706, 291023, 308142, 367608, 395352, 410856, 551412, 582046, 616284, 873069, 1102824, 1164092, 1232568, 1746138, 2328184, 2619207, 3492276, 5238414, 6984552, 10476828, 20953656]

約数ペア:

[(1, 20953656), (2, 10476828), (3, 6984552), (4, 5238414), (6, 3492276), (8, 2619207), (9, 2328184), (12, 1746138), (17, 1232568), (18, 1164092), (19, 1102824), (24, 873069), (34, 616284), (36, 582046), (38, 551412), (51, 410856), (53, 395352), (57, 367608), (68, 308142), (72, 291023), (76, 275706), (102, 205428), (106, 197676), (114, 183804), (136, 154071), (152, 137853), (153, 136952), (159, 131784), (171, 122536), (204, 102714), (212, 98838), (228, 91902), (289, 72504), (306, 68476), (318, 65892), (323, 64872), (342, 61268), (408, 51357), (424, 49419), (456, 45951), (477, 43928), (578, 36252), (612, 34238), (636, 32946), (646, 32436), (684, 30634), (867, 24168), (901, 23256), (954, 21964), (969, 21624), (1007, 20808), (1156, 18126), (1224, 17119), (1272, 16473), (1292, 16218), (1368, 15317), (1734, 12084), (1802, 11628), (1908, 10982), (1938, 10812), (2014, 10404), (2312, 9063), (2584, 8109), (2601, 8056), (2703, 7752), (2907, 7208), (3021, 6936), (3468, 6042), (3604, 5814), (3816, 5491), (3876, 5406), (4028, 5202)]