20790525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{199}}^2$

素因数の和:418

約数の個数: 36

約数和(自身を含む): 39482592

約数和(自身を除く): 18692067

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 199, 525, 597, 995, 1393, 2985, 4179, 4975, 6965, 14925, 20895, 34825, 39601, 104475, 118803, 198005, 277207, 594015, 831621, 990025, 1386035, 2970075, 4158105, 6930175, 20790525]

約数ペア:

[(1, 20790525), (3, 6930175), (5, 4158105), (7, 2970075), (15, 1386035), (21, 990025), (25, 831621), (35, 594015), (75, 277207), (105, 198005), (175, 118803), (199, 104475), (525, 39601), (597, 34825), (995, 20895), (1393, 14925), (2985, 6965), (4179, 4975)]