20579160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{24499}}^1$

素因数の和:24520

約数の個数: 64

約数和(自身を含む): 70560000

約数和(自身を除く): 49980840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 24499, 48998, 73497, 97996, 122495, 146994, 171493, 195992, 244990, 293988, 342986, 367485, 489980, 514479, 587976, 685972, 734970, 857465, 979960, 1028958, 1371944, 1469940, 1714930, 2057916, 2572395, 2939880, 3429860, 4115832, 5144790, 6859720, 10289580, 20579160]

約数ペア:

[(1, 20579160), (2, 10289580), (3, 6859720), (4, 5144790), (5, 4115832), (6, 3429860), (7, 2939880), (8, 2572395), (10, 2057916), (12, 1714930), (14, 1469940), (15, 1371944), (20, 1028958), (21, 979960), (24, 857465), (28, 734970), (30, 685972), (35, 587976), (40, 514479), (42, 489980), (56, 367485), (60, 342986), (70, 293988), (84, 244990), (105, 195992), (120, 171493), (140, 146994), (168, 122495), (210, 97996), (280, 73497), (420, 48998), (840, 24499)]