20280756

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 49762944

約数和(自身を除く): 29482188

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 197, 276, 373, 394, 591, 746, 788, 1119, 1182, 1492, 2238, 2364, 4476, 4531, 8579, 9062, 13593, 17158, 18124, 25737, 27186, 34316, 51474, 54372, 73481, 102948, 146962, 220443, 293924, 440886, 881772, 1690063, 3380126, 5070189, 6760252, 10140378, 20280756]

約数ペア:

[(1, 20280756), (2, 10140378), (3, 6760252), (4, 5070189), (6, 3380126), (12, 1690063), (23, 881772), (46, 440886), (69, 293924), (92, 220443), (138, 146962), (197, 102948), (276, 73481), (373, 54372), (394, 51474), (591, 34316), (746, 27186), (788, 25737), (1119, 18124), (1182, 17158), (1492, 13593), (2238, 9062), (2364, 8579), (4476, 4531)]