20324655

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 40091520

約数和(自身を除く): 19766865

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 111, 117, 135, 185, 195, 313, 333, 351, 481, 555, 585, 939, 999, 1443, 1565, 1665, 1755, 2405, 2817, 4069, 4329, 4695, 4995, 7215, 8451, 11581, 12207, 12987, 14085, 20345, 21645, 34743, 36621, 42255, 57905, 61035, 64935, 104229, 109863, 150553, 173715, 183105, 312687, 451659, 521145, 549315, 752765, 1354977, 1563435, 2258295, 4064931, 6774885, 20324655]

約数ペア:

[(1, 20324655), (3, 6774885), (5, 4064931), (9, 2258295), (13, 1563435), (15, 1354977), (27, 752765), (37, 549315), (39, 521145), (45, 451659), (65, 312687), (111, 183105), (117, 173715), (135, 150553), (185, 109863), (195, 104229), (313, 64935), (333, 61035), (351, 57905), (481, 42255), (555, 36621), (585, 34743), (939, 21645), (999, 20345), (1443, 14085), (1565, 12987), (1665, 12207), (1755, 11581), (2405, 8451), (2817, 7215), (4069, 4995), (4329, 4695)]