20178888

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{20507}}^1$

素因数の和:20557

約数の個数: 32

約数和(自身を含む): 51680160

約数和(自身を除く): 31501272

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 20507, 41014, 61521, 82028, 123042, 164056, 246084, 492168, 840787, 1681574, 2522361, 3363148, 5044722, 6726296, 10089444, 20178888]

約数ペア:

[(1, 20178888), (2, 10089444), (3, 6726296), (4, 5044722), (6, 3363148), (8, 2522361), (12, 1681574), (24, 840787), (41, 492168), (82, 246084), (123, 164056), (164, 123042), (246, 82028), (328, 61521), (492, 41014), (984, 20507)]