20770020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12821}}^1$

素因数の和:12842

約数の個数: 60

約数和(自身を含む): 65161404

約数和(自身を除く): 44391384

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12821, 25642, 38463, 51284, 64105, 76926, 115389, 128210, 153852, 192315, 230778, 256420, 346167, 384630, 461556, 576945, 692334, 769260, 1038501, 1153890, 1384668, 1730835, 2077002, 2307780, 3461670, 4154004, 5192505, 6923340, 10385010, 20770020]

約数ペア:

[(1, 20770020), (2, 10385010), (3, 6923340), (4, 5192505), (5, 4154004), (6, 3461670), (9, 2307780), (10, 2077002), (12, 1730835), (15, 1384668), (18, 1153890), (20, 1038501), (27, 769260), (30, 692334), (36, 576945), (45, 461556), (54, 384630), (60, 346167), (81, 256420), (90, 230778), (108, 192315), (135, 153852), (162, 128210), (180, 115389), (270, 76926), (324, 64105), (405, 51284), (540, 38463), (810, 25642), (1620, 12821)]