20148009982

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{4721}}^1$

素因数の和:5041

約数の個数: 48

約数和(自身を含む): 33419747232

約数和(自身を除く): 13271737250

約数列:

[1, 2, 19, 23, 38, 46, 257, 361, 437, 514, 722, 874, 4721, 4883, 5911, 8303, 9442, 9766, 11822, 16606, 89699, 92777, 108583, 112309, 179398, 185554, 217166, 224618, 1213297, 1704281, 2063077, 2133871, 2426594, 3408562, 4126154, 4267742, 23052643, 27905831, 39198463, 46105286, 55811662, 78396926, 438000217, 530210789, 876000434, 1060421578, 10074004991, 20148009982]

約数ペア:

[(1, 20148009982), (2, 10074004991), (19, 1060421578), (23, 876000434), (38, 530210789), (46, 438000217), (257, 78396926), (361, 55811662), (437, 46105286), (514, 39198463), (722, 27905831), (874, 23052643), (4721, 4267742), (4883, 4126154), (5911, 3408562), (8303, 2426594), (9442, 2133871), (9766, 2063077), (11822, 1704281), (16606, 1213297), (89699, 224618), (92777, 217166), (108583, 185554), (112309, 179398)]