20961504

素因数分解:

$2^5\times 3^4\times {\mathrm{8087}}^1$

素因数の和:8109

約数の個数: 60

約数和(自身を含む): 61654824

約数和(自身を除く): 40693320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 8087, 16174, 24261, 32348, 48522, 64696, 72783, 97044, 129392, 145566, 194088, 218349, 258784, 291132, 388176, 436698, 582264, 655047, 776352, 873396, 1164528, 1310094, 1746792, 2329056, 2620188, 3493584, 5240376, 6987168, 10480752, 20961504]

約数ペア:

[(1, 20961504), (2, 10480752), (3, 6987168), (4, 5240376), (6, 3493584), (8, 2620188), (9, 2329056), (12, 1746792), (16, 1310094), (18, 1164528), (24, 873396), (27, 776352), (32, 655047), (36, 582264), (48, 436698), (54, 388176), (72, 291132), (81, 258784), (96, 218349), (108, 194088), (144, 145566), (162, 129392), (216, 97044), (288, 72783), (324, 64696), (432, 48522), (648, 32348), (864, 24261), (1296, 16174), (2592, 8087)]