20545680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85607}}^1$

素因数の和:85623

約数の個数: 40

約数和(自身を含む): 63692352

約数和(自身を除く): 43146672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85607, 171214, 256821, 342428, 428035, 513642, 684856, 856070, 1027284, 1284105, 1369712, 1712140, 2054568, 2568210, 3424280, 4109136, 5136420, 6848560, 10272840, 20545680]

約数ペア:

[(1, 20545680), (2, 10272840), (3, 6848560), (4, 5136420), (5, 4109136), (6, 3424280), (8, 2568210), (10, 2054568), (12, 1712140), (15, 1369712), (16, 1284105), (20, 1027284), (24, 856070), (30, 684856), (40, 513642), (48, 428035), (60, 342428), (80, 256821), (120, 171214), (240, 85607)]