20844960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43427}}^1$

素因数の和:43445

約数の個数: 48

約数和(自身を含む): 65663136

約数和(自身を除く): 44818176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43427, 86854, 130281, 173708, 217135, 260562, 347416, 434270, 521124, 651405, 694832, 868540, 1042248, 1302810, 1389664, 1737080, 2084496, 2605620, 3474160, 4168992, 5211240, 6948320, 10422480, 20844960]

約数ペア:

[(1, 20844960), (2, 10422480), (3, 6948320), (4, 5211240), (5, 4168992), (6, 3474160), (8, 2605620), (10, 2084496), (12, 1737080), (15, 1389664), (16, 1302810), (20, 1042248), (24, 868540), (30, 694832), (32, 651405), (40, 521124), (48, 434270), (60, 347416), (80, 260562), (96, 217135), (120, 173708), (160, 130281), (240, 86854), (480, 43427)]