20862549

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 32140800

約数和(自身を除く): 11278251

約数列:

[1, 3, 9, 27, 53, 61, 159, 183, 239, 477, 549, 717, 1431, 1647, 2151, 3233, 6453, 9699, 12667, 14579, 29097, 38001, 43737, 87291, 114003, 131211, 342009, 393633, 772687, 2318061, 6954183, 20862549]

約数ペア:

[(1, 20862549), (3, 6954183), (9, 2318061), (27, 772687), (53, 393633), (61, 342009), (159, 131211), (183, 114003), (239, 87291), (477, 43737), (549, 38001), (717, 29097), (1431, 14579), (1647, 12667), (2151, 9699), (3233, 6453)]