22720941

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 37065600

約数和(自身を除く): 14344659

約数列:

[1, 3, 9, 19, 23, 53, 57, 69, 109, 159, 171, 207, 327, 437, 477, 981, 1007, 1219, 1311, 2071, 2507, 3021, 3657, 3933, 5777, 6213, 7521, 9063, 10971, 17331, 18639, 22563, 23161, 47633, 51993, 69483, 109763, 132871, 142899, 208449, 329289, 398613, 428697, 987867, 1195839, 2524549, 7573647, 22720941]

約数ペア:

[(1, 22720941), (3, 7573647), (9, 2524549), (19, 1195839), (23, 987867), (53, 428697), (57, 398613), (69, 329289), (109, 208449), (159, 142899), (171, 132871), (207, 109763), (327, 69483), (437, 51993), (477, 47633), (981, 23161), (1007, 22563), (1219, 18639), (1311, 17331), (2071, 10971), (2507, 9063), (3021, 7521), (3657, 6213), (3933, 5777)]