20453904

素因数分解:

$2^4\times 3^3\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:549

約数の個数: 80

約数和(自身を含む): 59371200

約数和(自身を除く): 38917296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 113, 144, 216, 226, 339, 419, 432, 452, 678, 838, 904, 1017, 1257, 1356, 1676, 1808, 2034, 2514, 2712, 3051, 3352, 3771, 4068, 5028, 5424, 6102, 6704, 7542, 8136, 10056, 11313, 12204, 15084, 16272, 20112, 22626, 24408, 30168, 45252, 47347, 48816, 60336, 90504, 94694, 142041, 181008, 189388, 284082, 378776, 426123, 568164, 757552, 852246, 1136328, 1278369, 1704492, 2272656, 2556738, 3408984, 5113476, 6817968, 10226952, 20453904]

約数ペア:

[(1, 20453904), (2, 10226952), (3, 6817968), (4, 5113476), (6, 3408984), (8, 2556738), (9, 2272656), (12, 1704492), (16, 1278369), (18, 1136328), (24, 852246), (27, 757552), (36, 568164), (48, 426123), (54, 378776), (72, 284082), (108, 189388), (113, 181008), (144, 142041), (216, 94694), (226, 90504), (339, 60336), (419, 48816), (432, 47347), (452, 45252), (678, 30168), (838, 24408), (904, 22626), (1017, 20112), (1257, 16272), (1356, 15084), (1676, 12204), (1808, 11313), (2034, 10056), (2514, 8136), (2712, 7542), (3051, 6704), (3352, 6102), (3771, 5424), (4068, 5028)]