20018592

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 43666848

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 71, 72, 88, 89, 96, 99, 132, 142, 144, 176, 178, 198, 213, 264, 267, 284, 288, 352, 356, 396, 426, 528, 534, 568, 639, 712, 781, 792, 801, 852, 979, 1056, 1068, 1136, 1278, 1424, 1562, 1584, 1602, 1704, 1958, 2136, 2272, 2343, 2556, 2848, 2937, 3124, 3168, 3204, 3408, 3916, 4272, 4686, 5112, 5874, 6248, 6319, 6408, 6816, 7029, 7832, 8544, 8811, 9372, 10224, 11748, 12496, 12638, 12816, 14058, 15664, 17622, 18744, 18957, 20448, 23496, 24992, 25276, 25632, 28116, 31328, 35244, 37488, 37914, 46992, 50552, 56232, 56871, 69509, 70488, 74976, 75828, 93984, 101104, 112464, 113742, 139018, 140976, 151656, 202208, 208527, 224928, 227484, 278036, 281952, 303312, 417054, 454968, 556072, 606624, 625581, 834108, 909936, 1112144, 1251162, 1668216, 1819872, 2224288, 2502324, 3336432, 5004648, 6672864, 10009296, 20018592]

約数ペア:

[(1, 20018592), (2, 10009296), (3, 6672864), (4, 5004648), (6, 3336432), (8, 2502324), (9, 2224288), (11, 1819872), (12, 1668216), (16, 1251162), (18, 1112144), (22, 909936), (24, 834108), (32, 625581), (33, 606624), (36, 556072), (44, 454968), (48, 417054), (66, 303312), (71, 281952), (72, 278036), (88, 227484), (89, 224928), (96, 208527), (99, 202208), (132, 151656), (142, 140976), (144, 139018), (176, 113742), (178, 112464), (198, 101104), (213, 93984), (264, 75828), (267, 74976), (284, 70488), (288, 69509), (352, 56871), (356, 56232), (396, 50552), (426, 46992), (528, 37914), (534, 37488), (568, 35244), (639, 31328), (712, 28116), (781, 25632), (792, 25276), (801, 24992), (852, 23496), (979, 20448), (1056, 18957), (1068, 18744), (1136, 17622), (1278, 15664), (1424, 14058), (1562, 12816), (1584, 12638), (1602, 12496), (1704, 11748), (1958, 10224), (2136, 9372), (2272, 8811), (2343, 8544), (2556, 7832), (2848, 7029), (2937, 6816), (3124, 6408), (3168, 6319), (3204, 6248), (3408, 5874), (3916, 5112), (4272, 4686)]