20753176

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 42251760

約数和(自身を除く): 21498584

約数列:

[1, 2, 4, 8, 23, 43, 46, 61, 86, 92, 122, 172, 184, 244, 344, 488, 989, 1403, 1849, 1978, 2623, 2806, 3698, 3956, 5246, 5612, 7396, 7912, 10492, 11224, 14792, 20984, 42527, 60329, 85054, 112789, 120658, 170108, 225578, 241316, 340216, 451156, 482632, 902312, 2594147, 5188294, 10376588, 20753176]

約数ペア:

[(1, 20753176), (2, 10376588), (4, 5188294), (8, 2594147), (23, 902312), (43, 482632), (46, 451156), (61, 340216), (86, 241316), (92, 225578), (122, 170108), (172, 120658), (184, 112789), (244, 85054), (344, 60329), (488, 42527), (989, 20984), (1403, 14792), (1849, 11224), (1978, 10492), (2623, 7912), (2806, 7396), (3698, 5612), (3956, 5246)]