20269760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9049}}^1$

素因数の和:9073

約数の個数: 56

約数和(自身を含む): 55168800

約数和(自身を除く): 34899040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9049, 18098, 36196, 45245, 63343, 72392, 90490, 126686, 144784, 180980, 253372, 289568, 316715, 361960, 506744, 579136, 633430, 723920, 1013488, 1266860, 1447840, 2026976, 2533720, 2895680, 4053952, 5067440, 10134880, 20269760]

約数ペア:

[(1, 20269760), (2, 10134880), (4, 5067440), (5, 4053952), (7, 2895680), (8, 2533720), (10, 2026976), (14, 1447840), (16, 1266860), (20, 1013488), (28, 723920), (32, 633430), (35, 579136), (40, 506744), (56, 361960), (64, 316715), (70, 289568), (80, 253372), (112, 180980), (140, 144784), (160, 126686), (224, 90490), (280, 72392), (320, 63343), (448, 45245), (560, 36196), (1120, 18098), (2240, 9049)]