20319672

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 53602560

約数和(自身を除く): 33282888

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 131, 138, 184, 262, 276, 281, 393, 524, 552, 562, 786, 843, 1048, 1124, 1572, 1686, 2248, 3013, 3144, 3372, 6026, 6463, 6744, 9039, 12052, 12926, 18078, 19389, 24104, 25852, 36156, 36811, 38778, 51704, 72312, 73622, 77556, 110433, 147244, 155112, 220866, 294488, 441732, 846653, 883464, 1693306, 2539959, 3386612, 5079918, 6773224, 10159836, 20319672]

約数ペア:

[(1, 20319672), (2, 10159836), (3, 6773224), (4, 5079918), (6, 3386612), (8, 2539959), (12, 1693306), (23, 883464), (24, 846653), (46, 441732), (69, 294488), (92, 220866), (131, 155112), (138, 147244), (184, 110433), (262, 77556), (276, 73622), (281, 72312), (393, 51704), (524, 38778), (552, 36811), (562, 36156), (786, 25852), (843, 24104), (1048, 19389), (1124, 18078), (1572, 12926), (1686, 12052), (2248, 9039), (3013, 6744), (3144, 6463), (3372, 6026)]