20789424

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{6277}}^1$

素因数の和:6314

約数の個数: 60

約数和(自身を含む): 60720816

約数和(自身を除く): 39931392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 6277, 12554, 18831, 25108, 37662, 50216, 56493, 75324, 100432, 112986, 144371, 150648, 225972, 288742, 301296, 433113, 451944, 577484, 866226, 903888, 1154968, 1299339, 1732452, 2309936, 2598678, 3464904, 5197356, 6929808, 10394712, 20789424]

約数ペア:

[(1, 20789424), (2, 10394712), (3, 6929808), (4, 5197356), (6, 3464904), (8, 2598678), (9, 2309936), (12, 1732452), (16, 1299339), (18, 1154968), (23, 903888), (24, 866226), (36, 577484), (46, 451944), (48, 433113), (69, 301296), (72, 288742), (92, 225972), (138, 150648), (144, 144371), (184, 112986), (207, 100432), (276, 75324), (368, 56493), (414, 50216), (552, 37662), (828, 25108), (1104, 18831), (1656, 12554), (3312, 6277)]