20916073.000000000

素因数分解:

$2^3\times 3^1\times {\mathrm{1523}}^1\times {\mathrm{2777}}^1$

素因数の和:4309

約数の個数: 32

約数和(自身を含む): 254020320

約数和(自身を除く): 152515416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 1523, 2777, 3046, 4569, 5554, 6092, 8331, 9138, 11108, 12184, 16662, 18276, 22216, 33324, 36552, 66648, 4229371, 8458742, 12688113, 16917484, 25376226, 33834968, 50752452, 101504904]

約数ペア:

[(1, 101504904), (2, 50752452), (3, 33834968), (4, 25376226), (6, 16917484), (8, 12688113), (12, 8458742), (24, 4229371), (1523, 66648), (2777, 36552), (3046, 33324), (4569, 22216), (5554, 18276), (6092, 16662), (8331, 12184), (9138, 11108)]