20898384

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 58871232

約数和(自身を除く): 37972848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 107, 156, 208, 214, 312, 313, 321, 428, 624, 626, 642, 856, 939, 1252, 1284, 1391, 1712, 1878, 2504, 2568, 2782, 3756, 4069, 4173, 5008, 5136, 5564, 7512, 8138, 8346, 11128, 12207, 15024, 16276, 16692, 22256, 24414, 32552, 33384, 33491, 48828, 65104, 66768, 66982, 97656, 100473, 133964, 195312, 200946, 267928, 401892, 435383, 535856, 803784, 870766, 1306149, 1607568, 1741532, 2612298, 3483064, 5224596, 6966128, 10449192, 20898384]

約数ペア:

[(1, 20898384), (2, 10449192), (3, 6966128), (4, 5224596), (6, 3483064), (8, 2612298), (12, 1741532), (13, 1607568), (16, 1306149), (24, 870766), (26, 803784), (39, 535856), (48, 435383), (52, 401892), (78, 267928), (104, 200946), (107, 195312), (156, 133964), (208, 100473), (214, 97656), (312, 66982), (313, 66768), (321, 65104), (428, 48828), (624, 33491), (626, 33384), (642, 32552), (856, 24414), (939, 22256), (1252, 16692), (1284, 16276), (1391, 15024), (1712, 12207), (1878, 11128), (2504, 8346), (2568, 8138), (2782, 7512), (3756, 5564), (4069, 5136), (4173, 5008)]