20477952

素因数分解:

$2^{11}\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 65159640

約数和(自身を除く): 44681688

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 64, 66, 72, 88, 96, 99, 101, 128, 132, 144, 176, 192, 198, 202, 256, 264, 288, 303, 352, 384, 396, 404, 512, 528, 576, 606, 704, 768, 792, 808, 909, 1024, 1056, 1111, 1152, 1212, 1408, 1536, 1584, 1616, 1818, 2048, 2112, 2222, 2304, 2424, 2816, 3072, 3168, 3232, 3333, 3636, 4224, 4444, 4608, 4848, 5632, 6144, 6336, 6464, 6666, 7272, 8448, 8888, 9216, 9696, 9999, 11264, 12672, 12928, 13332, 14544, 16896, 17776, 18432, 19392, 19998, 22528, 25344, 25856, 26664, 29088, 33792, 35552, 38784, 39996, 50688, 51712, 53328, 58176, 67584, 71104, 77568, 79992, 101376, 103424, 106656, 116352, 142208, 155136, 159984, 202752, 206848, 213312, 232704, 284416, 310272, 319968, 426624, 465408, 568832, 620544, 639936, 853248, 930816, 1137664, 1279872, 1706496, 1861632, 2275328, 2559744, 3412992, 5119488, 6825984, 10238976, 20477952]

約数ペア:

[(1, 20477952), (2, 10238976), (3, 6825984), (4, 5119488), (6, 3412992), (8, 2559744), (9, 2275328), (11, 1861632), (12, 1706496), (16, 1279872), (18, 1137664), (22, 930816), (24, 853248), (32, 639936), (33, 620544), (36, 568832), (44, 465408), (48, 426624), (64, 319968), (66, 310272), (72, 284416), (88, 232704), (96, 213312), (99, 206848), (101, 202752), (128, 159984), (132, 155136), (144, 142208), (176, 116352), (192, 106656), (198, 103424), (202, 101376), (256, 79992), (264, 77568), (288, 71104), (303, 67584), (352, 58176), (384, 53328), (396, 51712), (404, 50688), (512, 39996), (528, 38784), (576, 35552), (606, 33792), (704, 29088), (768, 26664), (792, 25856), (808, 25344), (909, 22528), (1024, 19998), (1056, 19392), (1111, 18432), (1152, 17776), (1212, 16896), (1408, 14544), (1536, 13332), (1584, 12928), (1616, 12672), (1818, 11264), (2048, 9999), (2112, 9696), (2222, 9216), (2304, 8888), (2424, 8448), (2816, 7272), (3072, 6666), (3168, 6464), (3232, 6336), (3333, 6144), (3636, 5632), (4224, 4848), (4444, 4608)]