20425920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21277}}^1$

素因数の和:21297

約数の個数: 56

約数和(自身を含む): 64855344

約数和(自身を除く): 44429424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21277, 42554, 63831, 85108, 106385, 127662, 170216, 212770, 255324, 319155, 340432, 425540, 510648, 638310, 680864, 851080, 1021296, 1276620, 1361728, 1702160, 2042592, 2553240, 3404320, 4085184, 5106480, 6808640, 10212960, 20425920]

約数ペア:

[(1, 20425920), (2, 10212960), (3, 6808640), (4, 5106480), (5, 4085184), (6, 3404320), (8, 2553240), (10, 2042592), (12, 1702160), (15, 1361728), (16, 1276620), (20, 1021296), (24, 851080), (30, 680864), (32, 638310), (40, 510648), (48, 425540), (60, 340432), (64, 319155), (80, 255324), (96, 212770), (120, 170216), (160, 127662), (192, 106385), (240, 85108), (320, 63831), (480, 42554), (960, 21277)]