20478552

素因数分解:

$2^3\times 3^1\times {\mathrm{347}}^1\times {\mathrm{2459}}^1$

素因数の和:2815

約数の個数: 32

約数和(自身を含む): 51364800

約数和(自身を除く): 30886248

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 347, 694, 1041, 1388, 2082, 2459, 2776, 4164, 4918, 7377, 8328, 9836, 14754, 19672, 29508, 59016, 853273, 1706546, 2559819, 3413092, 5119638, 6826184, 10239276, 20478552]

約数ペア:

[(1, 20478552), (2, 10239276), (3, 6826184), (4, 5119638), (6, 3413092), (8, 2559819), (12, 1706546), (24, 853273), (347, 59016), (694, 29508), (1041, 19672), (1388, 14754), (2082, 9836), (2459, 8328), (2776, 7377), (4164, 4918)]