20120174685

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{309851}}^1$

素因数の和:309915

約数の個数: 64

約数和(自身を含む): 39561903360

約数和(自身を除く): 19441728675

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 111, 117, 135, 185, 195, 333, 351, 481, 555, 585, 999, 1443, 1665, 1755, 2405, 4329, 4995, 7215, 12987, 21645, 64935, 309851, 929553, 1549255, 2788659, 4028063, 4647765, 8365977, 11464487, 12084189, 13943295, 20140315, 34393461, 36252567, 41829885, 57322435, 60420945, 103180383, 108757701, 149038331, 171967305, 181262835, 309541149, 447114993, 515901915, 543788505, 745191655, 1341344979, 1547705745, 2235574965, 4024034937, 6706724895, 20120174685]

約数ペア:

[(1, 20120174685), (3, 6706724895), (5, 4024034937), (9, 2235574965), (13, 1547705745), (15, 1341344979), (27, 745191655), (37, 543788505), (39, 515901915), (45, 447114993), (65, 309541149), (111, 181262835), (117, 171967305), (135, 149038331), (185, 108757701), (195, 103180383), (333, 60420945), (351, 57322435), (481, 41829885), (555, 36252567), (585, 34393461), (999, 20140315), (1443, 13943295), (1665, 12084189), (1755, 11464487), (2405, 8365977), (4329, 4647765), (4995, 4028063), (7215, 2788659), (12987, 1549255), (21645, 929553), (64935, 309851)]