20949984

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:433

約数の個数: 144

約数和(自身を含む): 68992560

約数和(自身を除く): 48042576

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 17, 18, 22, 24, 32, 33, 34, 36, 44, 48, 51, 66, 68, 72, 88, 96, 99, 102, 132, 136, 144, 153, 176, 187, 198, 204, 264, 272, 288, 306, 352, 374, 389, 396, 408, 528, 544, 561, 612, 748, 778, 792, 816, 1056, 1122, 1167, 1224, 1496, 1556, 1584, 1632, 1683, 2244, 2334, 2448, 2992, 3112, 3168, 3366, 3501, 4279, 4488, 4668, 4896, 5984, 6224, 6613, 6732, 7002, 8558, 8976, 9336, 12448, 12837, 13226, 13464, 14004, 17116, 17952, 18672, 19839, 25674, 26452, 26928, 28008, 34232, 37344, 38511, 39678, 51348, 52904, 53856, 56016, 59517, 68464, 72743, 77022, 79356, 102696, 105808, 112032, 119034, 136928, 145486, 154044, 158712, 205392, 211616, 218229, 238068, 290972, 308088, 317424, 410784, 436458, 476136, 581944, 616176, 634848, 654687, 872916, 952272, 1163888, 1232352, 1309374, 1745832, 1904544, 2327776, 2618748, 3491664, 5237496, 6983328, 10474992, 20949984]

約数ペア:

[(1, 20949984), (2, 10474992), (3, 6983328), (4, 5237496), (6, 3491664), (8, 2618748), (9, 2327776), (11, 1904544), (12, 1745832), (16, 1309374), (17, 1232352), (18, 1163888), (22, 952272), (24, 872916), (32, 654687), (33, 634848), (34, 616176), (36, 581944), (44, 476136), (48, 436458), (51, 410784), (66, 317424), (68, 308088), (72, 290972), (88, 238068), (96, 218229), (99, 211616), (102, 205392), (132, 158712), (136, 154044), (144, 145486), (153, 136928), (176, 119034), (187, 112032), (198, 105808), (204, 102696), (264, 79356), (272, 77022), (288, 72743), (306, 68464), (352, 59517), (374, 56016), (389, 53856), (396, 52904), (408, 51348), (528, 39678), (544, 38511), (561, 37344), (612, 34232), (748, 28008), (778, 26928), (792, 26452), (816, 25674), (1056, 19839), (1122, 18672), (1167, 17952), (1224, 17116), (1496, 14004), (1556, 13464), (1584, 13226), (1632, 12837), (1683, 12448), (2244, 9336), (2334, 8976), (2448, 8558), (2992, 7002), (3112, 6732), (3168, 6613), (3366, 6224), (3501, 5984), (4279, 4896), (4488, 4668)]